Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===------------------------ type_traits ---------------------------------===// |
| 3 | // |
Howard Hinnant | f5256e1 | 2010-05-11 21:36:01 +0000 | [diff] [blame] | 4 | // The LLVM Compiler Infrastructure |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 5 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 7 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 8 | // |
| 9 | //===----------------------------------------------------------------------===// |
| 10 | |
| 11 | #ifndef _LIBCPP_TYPE_TRAITS |
| 12 | #define _LIBCPP_TYPE_TRAITS |
| 13 | |
| 14 | /* |
| 15 | type_traits synopsis |
| 16 | |
| 17 | namespace std |
| 18 | { |
| 19 | |
| 20 | // helper class: |
| 21 | template <class T, T v> struct integral_constant; |
Marshall Clow | e62560a | 2015-05-18 23:21:06 +0000 | [diff] [blame] | 22 | typedef integral_constant<bool, true> true_type; // C++11 |
| 23 | typedef integral_constant<bool, false> false_type; // C++11 |
| 24 | |
| 25 | template <bool B> // C++14 |
| 26 | using bool_constant = integral_constant<bool, B>; // C++14 |
| 27 | typedef bool_constant<true> true_type; // C++14 |
| 28 | typedef bool_constant<false> false_type; // C++14 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 29 | |
| 30 | // helper traits |
| 31 | template <bool, class T = void> struct enable_if; |
| 32 | template <bool, class T, class F> struct conditional; |
| 33 | |
| 34 | // Primary classification traits: |
| 35 | template <class T> struct is_void; |
Marshall Clow | 79d8c99 | 2013-10-05 21:21:17 +0000 | [diff] [blame] | 36 | template <class T> struct is_null_pointer; // C++14 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 37 | template <class T> struct is_integral; |
| 38 | template <class T> struct is_floating_point; |
| 39 | template <class T> struct is_array; |
| 40 | template <class T> struct is_pointer; |
| 41 | template <class T> struct is_lvalue_reference; |
| 42 | template <class T> struct is_rvalue_reference; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 43 | template <class T> struct is_member_object_pointer; |
| 44 | template <class T> struct is_member_function_pointer; |
| 45 | template <class T> struct is_enum; |
| 46 | template <class T> struct is_union; |
| 47 | template <class T> struct is_class; |
| 48 | template <class T> struct is_function; |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 49 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 50 | // Secondary classification traits: |
| 51 | template <class T> struct is_reference; |
| 52 | template <class T> struct is_arithmetic; |
| 53 | template <class T> struct is_fundamental; |
| 54 | template <class T> struct is_member_pointer; |
| 55 | template <class T> struct is_scalar; |
| 56 | template <class T> struct is_object; |
| 57 | template <class T> struct is_compound; |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 58 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 59 | // Const-volatile properties and transformations: |
| 60 | template <class T> struct is_const; |
| 61 | template <class T> struct is_volatile; |
| 62 | template <class T> struct remove_const; |
| 63 | template <class T> struct remove_volatile; |
| 64 | template <class T> struct remove_cv; |
| 65 | template <class T> struct add_const; |
| 66 | template <class T> struct add_volatile; |
| 67 | template <class T> struct add_cv; |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 68 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 69 | // Reference transformations: |
| 70 | template <class T> struct remove_reference; |
| 71 | template <class T> struct add_lvalue_reference; |
| 72 | template <class T> struct add_rvalue_reference; |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 73 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 74 | // Pointer transformations: |
| 75 | template <class T> struct remove_pointer; |
| 76 | template <class T> struct add_pointer; |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 77 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 78 | // Integral properties: |
| 79 | template <class T> struct is_signed; |
| 80 | template <class T> struct is_unsigned; |
| 81 | template <class T> struct make_signed; |
| 82 | template <class T> struct make_unsigned; |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 83 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 84 | // Array properties and transformations: |
| 85 | template <class T> struct rank; |
| 86 | template <class T, unsigned I = 0> struct extent; |
| 87 | template <class T> struct remove_extent; |
| 88 | template <class T> struct remove_all_extents; |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 89 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 90 | // Member introspection: |
| 91 | template <class T> struct is_pod; |
| 92 | template <class T> struct is_trivial; |
| 93 | template <class T> struct is_trivially_copyable; |
| 94 | template <class T> struct is_standard_layout; |
| 95 | template <class T> struct is_literal_type; |
| 96 | template <class T> struct is_empty; |
| 97 | template <class T> struct is_polymorphic; |
| 98 | template <class T> struct is_abstract; |
Marshall Clow | ebd6c2b | 2014-03-05 03:39:25 +0000 | [diff] [blame] | 99 | template <class T> struct is_final; // C++14 |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 100 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 101 | template <class T, class... Args> struct is_constructible; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 102 | template <class T> struct is_default_constructible; |
| 103 | template <class T> struct is_copy_constructible; |
| 104 | template <class T> struct is_move_constructible; |
| 105 | template <class T, class U> struct is_assignable; |
| 106 | template <class T> struct is_copy_assignable; |
| 107 | template <class T> struct is_move_assignable; |
| 108 | template <class T> struct is_destructible; |
| 109 | |
| 110 | template <class T, class... Args> struct is_trivially_constructible; |
| 111 | template <class T> struct is_trivially_default_constructible; |
| 112 | template <class T> struct is_trivially_copy_constructible; |
| 113 | template <class T> struct is_trivially_move_constructible; |
| 114 | template <class T, class U> struct is_trivially_assignable; |
| 115 | template <class T> struct is_trivially_copy_assignable; |
| 116 | template <class T> struct is_trivially_move_assignable; |
| 117 | template <class T> struct is_trivially_destructible; |
| 118 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 119 | template <class T, class... Args> struct is_nothrow_constructible; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 120 | template <class T> struct is_nothrow_default_constructible; |
| 121 | template <class T> struct is_nothrow_copy_constructible; |
| 122 | template <class T> struct is_nothrow_move_constructible; |
| 123 | template <class T, class U> struct is_nothrow_assignable; |
| 124 | template <class T> struct is_nothrow_copy_assignable; |
| 125 | template <class T> struct is_nothrow_move_assignable; |
| 126 | template <class T> struct is_nothrow_destructible; |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 127 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 128 | template <class T> struct has_virtual_destructor; |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 129 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 130 | // Relationships between types: |
| 131 | template <class T, class U> struct is_same; |
| 132 | template <class Base, class Derived> struct is_base_of; |
| 133 | template <class From, class To> struct is_convertible; |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 134 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 135 | // Alignment properties and transformations: |
| 136 | template <class T> struct alignment_of; |
| 137 | template <size_t Len, size_t Align = most_stringent_alignment_requirement> |
| 138 | struct aligned_storage; |
Howard Hinnant | 5544f7e | 2013-04-22 19:37:49 +0000 | [diff] [blame] | 139 | template <size_t Len, class... Types> struct aligned_union; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 140 | |
| 141 | template <class T> struct decay; |
| 142 | template <class... T> struct common_type; |
| 143 | template <class T> struct underlying_type; |
| 144 | template <class> class result_of; // undefined |
| 145 | template <class Fn, class... ArgTypes> class result_of<Fn(ArgTypes...)>; |
| 146 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 147 | // const-volatile modifications: |
| 148 | template <class T> |
| 149 | using remove_const_t = typename remove_const<T>::type; // C++14 |
| 150 | template <class T> |
| 151 | using remove_volatile_t = typename remove_volatile<T>::type; // C++14 |
| 152 | template <class T> |
| 153 | using remove_cv_t = typename remove_cv<T>::type; // C++14 |
| 154 | template <class T> |
| 155 | using add_const_t = typename add_const<T>::type; // C++14 |
| 156 | template <class T> |
| 157 | using add_volatile_t = typename add_volatile<T>::type; // C++14 |
| 158 | template <class T> |
| 159 | using add_cv_t = typename add_cv<T>::type; // C++14 |
| 160 | |
| 161 | // reference modifications: |
| 162 | template <class T> |
| 163 | using remove_reference_t = typename remove_reference<T>::type; // C++14 |
| 164 | template <class T> |
| 165 | using add_lvalue_reference_t = typename add_lvalue_reference<T>::type; // C++14 |
| 166 | template <class T> |
| 167 | using add_rvalue_reference_t = typename add_rvalue_reference<T>::type; // C++14 |
| 168 | |
| 169 | // sign modifications: |
| 170 | template <class T> |
| 171 | using make_signed_t = typename make_signed<T>::type; // C++14 |
| 172 | template <class T> |
| 173 | using make_unsigned_t = typename make_unsigned<T>::type; // C++14 |
| 174 | |
| 175 | // array modifications: |
| 176 | template <class T> |
| 177 | using remove_extent_t = typename remove_extent<T>::type; // C++14 |
| 178 | template <class T> |
| 179 | using remove_all_extents_t = typename remove_all_extents<T>::type; // C++14 |
| 180 | |
| 181 | // pointer modifications: |
| 182 | template <class T> |
| 183 | using remove_pointer_t = typename remove_pointer<T>::type; // C++14 |
| 184 | template <class T> |
| 185 | using add_pointer_t = typename add_pointer<T>::type; // C++14 |
| 186 | |
| 187 | // other transformations: |
| 188 | template <size_t Len, std::size_t Align=default-alignment> |
| 189 | using aligned_storage_t = typename aligned_storage<Len,Align>::type; // C++14 |
| 190 | template <std::size_t Len, class... Types> |
| 191 | using aligned_union_t = typename aligned_union<Len,Types...>::type; // C++14 |
| 192 | template <class T> |
| 193 | using decay_t = typename decay<T>::type; // C++14 |
| 194 | template <bool b, class T=void> |
| 195 | using enable_if_t = typename enable_if<b,T>::type; // C++14 |
| 196 | template <bool b, class T, class F> |
| 197 | using conditional_t = typename conditional<b,T,F>::type; // C++14 |
| 198 | template <class... T> |
| 199 | using common_type_t = typename common_type<T...>::type; // C++14 |
| 200 | template <class T> |
| 201 | using underlying_type_t = typename underlying_type<T>::type; // C++14 |
| 202 | template <class F, class... ArgTypes> |
| 203 | using result_of_t = typename result_of<F(ArgTypes...)>::type; // C++14 |
| 204 | |
Marshall Clow | 88aae92 | 2014-11-17 15:50:08 +0000 | [diff] [blame] | 205 | template <class...> |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 206 | using void_t = void; |
| 207 | } // C++17 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 208 | |
| 209 | */ |
| 210 | #include <__config> |
| 211 | #include <cstddef> |
| 212 | |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 213 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 214 | #pragma GCC system_header |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 215 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 216 | |
| 217 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 218 | |
Eric Fiselier | b7fc49f | 2015-06-13 02:36:07 +0000 | [diff] [blame] | 219 | template <class> |
Marshall Clow | 88aae92 | 2014-11-17 15:50:08 +0000 | [diff] [blame] | 220 | struct __void_t { typedef void type; }; |
Marshall Clow | 88aae92 | 2014-11-17 15:50:08 +0000 | [diff] [blame] | 221 | |
Joerg Sonnenberger | ba865ff | 2015-08-10 16:58:04 +0000 | [diff] [blame] | 222 | template <class _Tp> |
| 223 | struct __identity { typedef _Tp type; }; |
Eric Fiselier | 4983580 | 2015-06-13 08:25:24 +0000 | [diff] [blame] | 224 | |
Eric Fiselier | da1818a | 2015-02-21 02:30:41 +0000 | [diff] [blame] | 225 | template <class _Tp, bool> |
| 226 | struct _LIBCPP_TYPE_VIS_ONLY __dependent_type : public _Tp {}; |
| 227 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 228 | template <bool _Bp, class _If, class _Then> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 229 | struct _LIBCPP_TYPE_VIS_ONLY conditional {typedef _If type;}; |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 230 | template <class _If, class _Then> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 231 | struct _LIBCPP_TYPE_VIS_ONLY conditional<false, _If, _Then> {typedef _Then type;}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 232 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 233 | #if _LIBCPP_STD_VER > 11 |
| 234 | template <bool _Bp, class _If, class _Then> using conditional_t = typename conditional<_Bp, _If, _Then>::type; |
| 235 | #endif |
| 236 | |
Eric Fiselier | 950ee77 | 2014-10-17 00:31:47 +0000 | [diff] [blame] | 237 | template <bool, class _Tp> struct _LIBCPP_TYPE_VIS_ONLY __lazy_enable_if {}; |
| 238 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY __lazy_enable_if<true, _Tp> {typedef typename _Tp::type type;}; |
| 239 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 240 | template <bool, class _Tp = void> struct _LIBCPP_TYPE_VIS_ONLY enable_if {}; |
| 241 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY enable_if<true, _Tp> {typedef _Tp type;}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 242 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 243 | #if _LIBCPP_STD_VER > 11 |
| 244 | template <bool _Bp, class _Tp = void> using enable_if_t = typename enable_if<_Bp, _Tp>::type; |
| 245 | #endif |
| 246 | |
| 247 | |
Howard Hinnant | 9c0df14 | 2012-10-30 19:06:59 +0000 | [diff] [blame] | 248 | struct __two {char __lx[2];}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 249 | |
| 250 | // helper class: |
| 251 | |
| 252 | template <class _Tp, _Tp __v> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 253 | struct _LIBCPP_TYPE_VIS_ONLY integral_constant |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 254 | { |
Howard Hinnant | 27b4fd3 | 2012-04-02 00:40:41 +0000 | [diff] [blame] | 255 | static _LIBCPP_CONSTEXPR const _Tp value = __v; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 256 | typedef _Tp value_type; |
| 257 | typedef integral_constant type; |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 258 | _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | a2df82b | 2014-02-17 22:18:51 +0000 | [diff] [blame] | 259 | _LIBCPP_CONSTEXPR operator value_type() const _NOEXCEPT {return value;} |
Marshall Clow | d29bb4b | 2013-07-08 20:05:31 +0000 | [diff] [blame] | 260 | #if _LIBCPP_STD_VER > 11 |
| 261 | _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | a2df82b | 2014-02-17 22:18:51 +0000 | [diff] [blame] | 262 | constexpr value_type operator ()() const _NOEXCEPT {return value;} |
Marshall Clow | d29bb4b | 2013-07-08 20:05:31 +0000 | [diff] [blame] | 263 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 264 | }; |
| 265 | |
| 266 | template <class _Tp, _Tp __v> |
Howard Hinnant | 27b4fd3 | 2012-04-02 00:40:41 +0000 | [diff] [blame] | 267 | _LIBCPP_CONSTEXPR const _Tp integral_constant<_Tp, __v>::value; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 268 | |
Marshall Clow | e62560a | 2015-05-18 23:21:06 +0000 | [diff] [blame] | 269 | #if _LIBCPP_STD_VER > 14 |
| 270 | template <bool __b> |
| 271 | using bool_constant = integral_constant<bool, __b>; |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 272 | #define _LIBCPP_BOOL_CONSTANT(__b) bool_constant<(__b)> |
Marshall Clow | e62560a | 2015-05-18 23:21:06 +0000 | [diff] [blame] | 273 | #else |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 274 | #define _LIBCPP_BOOL_CONSTANT(__b) integral_constant<bool,(__b)> |
Marshall Clow | e62560a | 2015-05-18 23:21:06 +0000 | [diff] [blame] | 275 | #endif |
| 276 | |
| 277 | typedef _LIBCPP_BOOL_CONSTANT(true) true_type; |
| 278 | typedef _LIBCPP_BOOL_CONSTANT(false) false_type; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 279 | |
| 280 | // is_const |
| 281 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 282 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_const : public false_type {}; |
| 283 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_const<_Tp const> : public true_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 284 | |
| 285 | // is_volatile |
| 286 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 287 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_volatile : public false_type {}; |
| 288 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_volatile<_Tp volatile> : public true_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 289 | |
| 290 | // remove_const |
| 291 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 292 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_const {typedef _Tp type;}; |
| 293 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_const<const _Tp> {typedef _Tp type;}; |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 294 | #if _LIBCPP_STD_VER > 11 |
| 295 | template <class _Tp> using remove_const_t = typename remove_const<_Tp>::type; |
| 296 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 297 | |
| 298 | // remove_volatile |
| 299 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 300 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_volatile {typedef _Tp type;}; |
| 301 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_volatile<volatile _Tp> {typedef _Tp type;}; |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 302 | #if _LIBCPP_STD_VER > 11 |
| 303 | template <class _Tp> using remove_volatile_t = typename remove_volatile<_Tp>::type; |
| 304 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 305 | |
| 306 | // remove_cv |
| 307 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 308 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_cv |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 309 | {typedef typename remove_volatile<typename remove_const<_Tp>::type>::type type;}; |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 310 | #if _LIBCPP_STD_VER > 11 |
| 311 | template <class _Tp> using remove_cv_t = typename remove_cv<_Tp>::type; |
| 312 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 313 | |
| 314 | // is_void |
| 315 | |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 316 | template <class _Tp> struct __libcpp_is_void : public false_type {}; |
| 317 | template <> struct __libcpp_is_void<void> : public true_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 318 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 319 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_void |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 320 | : public __libcpp_is_void<typename remove_cv<_Tp>::type> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 321 | |
Howard Hinnant | 6e5e7e7 | 2011-03-09 17:17:06 +0000 | [diff] [blame] | 322 | // __is_nullptr_t |
| 323 | |
Marshall Clow | 0ea7f8c | 2014-01-06 14:00:09 +0000 | [diff] [blame] | 324 | template <class _Tp> struct __is_nullptr_t_impl : public false_type {}; |
| 325 | template <> struct __is_nullptr_t_impl<nullptr_t> : public true_type {}; |
Howard Hinnant | 6e5e7e7 | 2011-03-09 17:17:06 +0000 | [diff] [blame] | 326 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 327 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY __is_nullptr_t |
Marshall Clow | 0ea7f8c | 2014-01-06 14:00:09 +0000 | [diff] [blame] | 328 | : public __is_nullptr_t_impl<typename remove_cv<_Tp>::type> {}; |
Howard Hinnant | 6e5e7e7 | 2011-03-09 17:17:06 +0000 | [diff] [blame] | 329 | |
Marshall Clow | 79d8c99 | 2013-10-05 21:21:17 +0000 | [diff] [blame] | 330 | #if _LIBCPP_STD_VER > 11 |
| 331 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_null_pointer |
Marshall Clow | 0ea7f8c | 2014-01-06 14:00:09 +0000 | [diff] [blame] | 332 | : public __is_nullptr_t_impl<typename remove_cv<_Tp>::type> {}; |
Marshall Clow | 79d8c99 | 2013-10-05 21:21:17 +0000 | [diff] [blame] | 333 | #endif |
| 334 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 335 | // is_integral |
| 336 | |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 337 | template <class _Tp> struct __libcpp_is_integral : public false_type {}; |
| 338 | template <> struct __libcpp_is_integral<bool> : public true_type {}; |
| 339 | template <> struct __libcpp_is_integral<char> : public true_type {}; |
| 340 | template <> struct __libcpp_is_integral<signed char> : public true_type {}; |
| 341 | template <> struct __libcpp_is_integral<unsigned char> : public true_type {}; |
| 342 | template <> struct __libcpp_is_integral<wchar_t> : public true_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 343 | #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 344 | template <> struct __libcpp_is_integral<char16_t> : public true_type {}; |
| 345 | template <> struct __libcpp_is_integral<char32_t> : public true_type {}; |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 346 | #endif // _LIBCPP_HAS_NO_UNICODE_CHARS |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 347 | template <> struct __libcpp_is_integral<short> : public true_type {}; |
| 348 | template <> struct __libcpp_is_integral<unsigned short> : public true_type {}; |
| 349 | template <> struct __libcpp_is_integral<int> : public true_type {}; |
| 350 | template <> struct __libcpp_is_integral<unsigned int> : public true_type {}; |
| 351 | template <> struct __libcpp_is_integral<long> : public true_type {}; |
| 352 | template <> struct __libcpp_is_integral<unsigned long> : public true_type {}; |
| 353 | template <> struct __libcpp_is_integral<long long> : public true_type {}; |
| 354 | template <> struct __libcpp_is_integral<unsigned long long> : public true_type {}; |
Stephan Tolksdorf | 8a71d23 | 2014-03-26 19:45:52 +0000 | [diff] [blame] | 355 | #ifndef _LIBCPP_HAS_NO_INT128 |
| 356 | template <> struct __libcpp_is_integral<__int128_t> : public true_type {}; |
| 357 | template <> struct __libcpp_is_integral<__uint128_t> : public true_type {}; |
| 358 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 359 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 360 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_integral |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 361 | : public __libcpp_is_integral<typename remove_cv<_Tp>::type> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 362 | |
| 363 | // is_floating_point |
| 364 | |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 365 | template <class _Tp> struct __libcpp_is_floating_point : public false_type {}; |
| 366 | template <> struct __libcpp_is_floating_point<float> : public true_type {}; |
| 367 | template <> struct __libcpp_is_floating_point<double> : public true_type {}; |
| 368 | template <> struct __libcpp_is_floating_point<long double> : public true_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 369 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 370 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_floating_point |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 371 | : public __libcpp_is_floating_point<typename remove_cv<_Tp>::type> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 372 | |
| 373 | // is_array |
| 374 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 375 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_array |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 376 | : public false_type {}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 377 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_array<_Tp[]> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 378 | : public true_type {}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 379 | template <class _Tp, size_t _Np> struct _LIBCPP_TYPE_VIS_ONLY is_array<_Tp[_Np]> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 380 | : public true_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 381 | |
| 382 | // is_pointer |
| 383 | |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 384 | template <class _Tp> struct __libcpp_is_pointer : public false_type {}; |
| 385 | template <class _Tp> struct __libcpp_is_pointer<_Tp*> : public true_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 386 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 387 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_pointer |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 388 | : public __libcpp_is_pointer<typename remove_cv<_Tp>::type> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 389 | |
| 390 | // is_reference |
| 391 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 392 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_lvalue_reference : public false_type {}; |
| 393 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_lvalue_reference<_Tp&> : public true_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 394 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 395 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_rvalue_reference : public false_type {}; |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 396 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 397 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_rvalue_reference<_Tp&&> : public true_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 398 | #endif |
| 399 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 400 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_reference : public false_type {}; |
| 401 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_reference<_Tp&> : public true_type {}; |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 402 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 403 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_reference<_Tp&&> : public true_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 404 | #endif |
| 405 | |
| 406 | // is_union |
| 407 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 408 | #if __has_feature(is_union) || (_GNUC_VER >= 403) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 409 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 410 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_union |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 411 | : public integral_constant<bool, __is_union(_Tp)> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 412 | |
Howard Hinnant | 3666695 | 2011-05-09 19:21:17 +0000 | [diff] [blame] | 413 | #else |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 414 | |
| 415 | template <class _Tp> struct __libcpp_union : public false_type {}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 416 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_union |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 417 | : public __libcpp_union<typename remove_cv<_Tp>::type> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 418 | |
Howard Hinnant | 3666695 | 2011-05-09 19:21:17 +0000 | [diff] [blame] | 419 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 420 | |
| 421 | // is_class |
| 422 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 423 | #if __has_feature(is_class) || (_GNUC_VER >= 403) |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 424 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 425 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_class |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 426 | : public integral_constant<bool, __is_class(_Tp)> {}; |
| 427 | |
Howard Hinnant | 3666695 | 2011-05-09 19:21:17 +0000 | [diff] [blame] | 428 | #else |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 429 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 430 | namespace __is_class_imp |
| 431 | { |
| 432 | template <class _Tp> char __test(int _Tp::*); |
| 433 | template <class _Tp> __two __test(...); |
| 434 | } |
| 435 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 436 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_class |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 437 | : public integral_constant<bool, sizeof(__is_class_imp::__test<_Tp>(0)) == 1 && !is_union<_Tp>::value> {}; |
| 438 | |
Howard Hinnant | 3666695 | 2011-05-09 19:21:17 +0000 | [diff] [blame] | 439 | #endif |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 440 | |
Howard Hinnant | d737382 | 2011-06-01 17:25:11 +0000 | [diff] [blame] | 441 | // is_same |
| 442 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 443 | template <class _Tp, class _Up> struct _LIBCPP_TYPE_VIS_ONLY is_same : public false_type {}; |
| 444 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_same<_Tp, _Tp> : public true_type {}; |
Howard Hinnant | d737382 | 2011-06-01 17:25:11 +0000 | [diff] [blame] | 445 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 446 | // is_function |
| 447 | |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 448 | namespace __libcpp_is_function_imp |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 449 | { |
Eric Fiselier | 89465dc | 2015-02-18 16:31:46 +0000 | [diff] [blame] | 450 | struct __dummy_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 451 | template <class _Tp> char __test(_Tp*); |
Eric Fiselier | 89465dc | 2015-02-18 16:31:46 +0000 | [diff] [blame] | 452 | template <class _Tp> char __test(__dummy_type); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 453 | template <class _Tp> __two __test(...); |
Eric Fiselier | 89465dc | 2015-02-18 16:31:46 +0000 | [diff] [blame] | 454 | template <class _Tp> _Tp& __source(int); |
| 455 | template <class _Tp> __dummy_type __source(...); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 456 | } |
| 457 | |
| 458 | template <class _Tp, bool = is_class<_Tp>::value || |
| 459 | is_union<_Tp>::value || |
| 460 | is_void<_Tp>::value || |
Howard Hinnant | d737382 | 2011-06-01 17:25:11 +0000 | [diff] [blame] | 461 | is_reference<_Tp>::value || |
Marshall Clow | 79d8c99 | 2013-10-05 21:21:17 +0000 | [diff] [blame] | 462 | __is_nullptr_t<_Tp>::value > |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 463 | struct __libcpp_is_function |
Eric Fiselier | 89465dc | 2015-02-18 16:31:46 +0000 | [diff] [blame] | 464 | : public integral_constant<bool, sizeof(__libcpp_is_function_imp::__test<_Tp>(__libcpp_is_function_imp::__source<_Tp>(0))) == 1> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 465 | {}; |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 466 | template <class _Tp> struct __libcpp_is_function<_Tp, true> : public false_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 467 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 468 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_function |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 469 | : public __libcpp_is_function<_Tp> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 470 | |
| 471 | // is_member_function_pointer |
| 472 | |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 473 | // template <class _Tp> struct __libcpp_is_member_function_pointer : public false_type {}; |
| 474 | // template <class _Tp, class _Up> struct __libcpp_is_member_function_pointer<_Tp _Up::*> : public is_function<_Tp> {}; |
| 475 | // |
| 476 | |
Nick Lewycky | e1be30b | 2015-07-29 22:38:23 +0000 | [diff] [blame] | 477 | template <class _MP, bool _IsMemberFunctionPtr, bool _IsMemberObjectPtr> |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 478 | struct __member_pointer_traits_imp |
| 479 | { // forward declaration; specializations later |
| 480 | }; |
| 481 | |
| 482 | |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 483 | template <class _Tp> struct __libcpp_is_member_function_pointer |
Eric Fiselier | 724b5ab | 2015-06-13 00:33:13 +0000 | [diff] [blame] | 484 | : public false_type {}; |
| 485 | |
| 486 | template <class _Ret, class _Class> |
| 487 | struct __libcpp_is_member_function_pointer<_Ret _Class::*> |
| 488 | : public is_function<_Ret> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 489 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 490 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_member_function_pointer |
Eric Fiselier | 724b5ab | 2015-06-13 00:33:13 +0000 | [diff] [blame] | 491 | : public __libcpp_is_member_function_pointer<typename remove_cv<_Tp>::type>::type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 492 | |
| 493 | // is_member_pointer |
| 494 | |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 495 | template <class _Tp> struct __libcpp_is_member_pointer : public false_type {}; |
| 496 | template <class _Tp, class _Up> struct __libcpp_is_member_pointer<_Tp _Up::*> : public true_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 497 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 498 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_member_pointer |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 499 | : public __libcpp_is_member_pointer<typename remove_cv<_Tp>::type> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 500 | |
| 501 | // is_member_object_pointer |
| 502 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 503 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_member_object_pointer |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 504 | : public integral_constant<bool, is_member_pointer<_Tp>::value && |
| 505 | !is_member_function_pointer<_Tp>::value> {}; |
| 506 | |
| 507 | // is_enum |
| 508 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 509 | #if __has_feature(is_enum) || (_GNUC_VER >= 403) |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 510 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 511 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_enum |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 512 | : public integral_constant<bool, __is_enum(_Tp)> {}; |
| 513 | |
Howard Hinnant | 3666695 | 2011-05-09 19:21:17 +0000 | [diff] [blame] | 514 | #else |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 515 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 516 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_enum |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 517 | : public integral_constant<bool, !is_void<_Tp>::value && |
| 518 | !is_integral<_Tp>::value && |
| 519 | !is_floating_point<_Tp>::value && |
| 520 | !is_array<_Tp>::value && |
| 521 | !is_pointer<_Tp>::value && |
| 522 | !is_reference<_Tp>::value && |
| 523 | !is_member_pointer<_Tp>::value && |
| 524 | !is_union<_Tp>::value && |
| 525 | !is_class<_Tp>::value && |
| 526 | !is_function<_Tp>::value > {}; |
| 527 | |
Howard Hinnant | 3666695 | 2011-05-09 19:21:17 +0000 | [diff] [blame] | 528 | #endif |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 529 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 530 | // is_arithmetic |
| 531 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 532 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_arithmetic |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 533 | : public integral_constant<bool, is_integral<_Tp>::value || |
| 534 | is_floating_point<_Tp>::value> {}; |
| 535 | |
| 536 | // is_fundamental |
| 537 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 538 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_fundamental |
Howard Hinnant | 6e5e7e7 | 2011-03-09 17:17:06 +0000 | [diff] [blame] | 539 | : public integral_constant<bool, is_void<_Tp>::value || |
| 540 | __is_nullptr_t<_Tp>::value || |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 541 | is_arithmetic<_Tp>::value> {}; |
| 542 | |
| 543 | // is_scalar |
| 544 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 545 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_scalar |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 546 | : public integral_constant<bool, is_arithmetic<_Tp>::value || |
| 547 | is_member_pointer<_Tp>::value || |
| 548 | is_pointer<_Tp>::value || |
Howard Hinnant | 6e5e7e7 | 2011-03-09 17:17:06 +0000 | [diff] [blame] | 549 | __is_nullptr_t<_Tp>::value || |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 550 | is_enum<_Tp>::value > {}; |
| 551 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 552 | template <> struct _LIBCPP_TYPE_VIS_ONLY is_scalar<nullptr_t> : public true_type {}; |
Howard Hinnant | 5885da3 | 2011-03-09 15:10:51 +0000 | [diff] [blame] | 553 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 554 | // is_object |
| 555 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 556 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_object |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 557 | : public integral_constant<bool, is_scalar<_Tp>::value || |
| 558 | is_array<_Tp>::value || |
| 559 | is_union<_Tp>::value || |
| 560 | is_class<_Tp>::value > {}; |
| 561 | |
| 562 | // is_compound |
| 563 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 564 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_compound |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 565 | : public integral_constant<bool, !is_fundamental<_Tp>::value> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 566 | |
| 567 | // add_const |
| 568 | |
| 569 | template <class _Tp, bool = is_reference<_Tp>::value || |
| 570 | is_function<_Tp>::value || |
| 571 | is_const<_Tp>::value > |
| 572 | struct __add_const {typedef _Tp type;}; |
| 573 | |
| 574 | template <class _Tp> |
| 575 | struct __add_const<_Tp, false> {typedef const _Tp type;}; |
| 576 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 577 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY add_const |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 578 | {typedef typename __add_const<_Tp>::type type;}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 579 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 580 | #if _LIBCPP_STD_VER > 11 |
| 581 | template <class _Tp> using add_const_t = typename add_const<_Tp>::type; |
| 582 | #endif |
| 583 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 584 | // add_volatile |
| 585 | |
| 586 | template <class _Tp, bool = is_reference<_Tp>::value || |
| 587 | is_function<_Tp>::value || |
| 588 | is_volatile<_Tp>::value > |
| 589 | struct __add_volatile {typedef _Tp type;}; |
| 590 | |
| 591 | template <class _Tp> |
| 592 | struct __add_volatile<_Tp, false> {typedef volatile _Tp type;}; |
| 593 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 594 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY add_volatile |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 595 | {typedef typename __add_volatile<_Tp>::type type;}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 596 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 597 | #if _LIBCPP_STD_VER > 11 |
| 598 | template <class _Tp> using add_volatile_t = typename add_volatile<_Tp>::type; |
| 599 | #endif |
| 600 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 601 | // add_cv |
| 602 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 603 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY add_cv |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 604 | {typedef typename add_const<typename add_volatile<_Tp>::type>::type type;}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 605 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 606 | #if _LIBCPP_STD_VER > 11 |
| 607 | template <class _Tp> using add_cv_t = typename add_cv<_Tp>::type; |
| 608 | #endif |
| 609 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 610 | // remove_reference |
| 611 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 612 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_reference {typedef _Tp type;}; |
| 613 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_reference<_Tp&> {typedef _Tp type;}; |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 614 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 615 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_reference<_Tp&&> {typedef _Tp type;}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 616 | #endif |
| 617 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 618 | #if _LIBCPP_STD_VER > 11 |
| 619 | template <class _Tp> using remove_reference_t = typename remove_reference<_Tp>::type; |
| 620 | #endif |
| 621 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 622 | // add_lvalue_reference |
| 623 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 624 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY add_lvalue_reference {typedef _Tp& type;}; |
| 625 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY add_lvalue_reference<_Tp&> {typedef _Tp& type;}; // for older compiler |
| 626 | template <> struct _LIBCPP_TYPE_VIS_ONLY add_lvalue_reference<void> {typedef void type;}; |
| 627 | template <> struct _LIBCPP_TYPE_VIS_ONLY add_lvalue_reference<const void> {typedef const void type;}; |
| 628 | template <> struct _LIBCPP_TYPE_VIS_ONLY add_lvalue_reference<volatile void> {typedef volatile void type;}; |
| 629 | template <> struct _LIBCPP_TYPE_VIS_ONLY add_lvalue_reference<const volatile void> {typedef const volatile void type;}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 630 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 631 | #if _LIBCPP_STD_VER > 11 |
| 632 | template <class _Tp> using add_lvalue_reference_t = typename add_lvalue_reference<_Tp>::type; |
| 633 | #endif |
| 634 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 635 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 636 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 637 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY add_rvalue_reference {typedef _Tp&& type;}; |
| 638 | template <> struct _LIBCPP_TYPE_VIS_ONLY add_rvalue_reference<void> {typedef void type;}; |
| 639 | template <> struct _LIBCPP_TYPE_VIS_ONLY add_rvalue_reference<const void> {typedef const void type;}; |
| 640 | template <> struct _LIBCPP_TYPE_VIS_ONLY add_rvalue_reference<volatile void> {typedef volatile void type;}; |
| 641 | template <> struct _LIBCPP_TYPE_VIS_ONLY add_rvalue_reference<const volatile void> {typedef const volatile void type;}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 642 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 643 | #if _LIBCPP_STD_VER > 11 |
| 644 | template <class _Tp> using add_rvalue_reference_t = typename add_rvalue_reference<_Tp>::type; |
| 645 | #endif |
| 646 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 647 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 648 | |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 649 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 650 | |
| 651 | template <class _Tp> |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 652 | typename add_rvalue_reference<_Tp>::type |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 653 | declval() _NOEXCEPT; |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 654 | |
| 655 | #else // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 656 | |
| 657 | template <class _Tp> |
| 658 | typename add_lvalue_reference<_Tp>::type |
| 659 | declval(); |
| 660 | |
| 661 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 662 | |
| 663 | struct __any |
| 664 | { |
| 665 | __any(...); |
| 666 | }; |
| 667 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 668 | // remove_pointer |
| 669 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 670 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_pointer {typedef _Tp type;}; |
| 671 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_pointer<_Tp*> {typedef _Tp type;}; |
| 672 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_pointer<_Tp* const> {typedef _Tp type;}; |
| 673 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_pointer<_Tp* volatile> {typedef _Tp type;}; |
| 674 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_pointer<_Tp* const volatile> {typedef _Tp type;}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 675 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 676 | #if _LIBCPP_STD_VER > 11 |
| 677 | template <class _Tp> using remove_pointer_t = typename remove_pointer<_Tp>::type; |
| 678 | #endif |
| 679 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 680 | // add_pointer |
| 681 | |
Marshall Clow | 7a7960f | 2016-01-21 18:22:43 +0000 | [diff] [blame] | 682 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY add_pointer |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 683 | {typedef typename remove_reference<_Tp>::type* type;}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 684 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 685 | #if _LIBCPP_STD_VER > 11 |
| 686 | template <class _Tp> using add_pointer_t = typename add_pointer<_Tp>::type; |
| 687 | #endif |
| 688 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 689 | // is_signed |
| 690 | |
| 691 | template <class _Tp, bool = is_integral<_Tp>::value> |
Marshall Clow | e62560a | 2015-05-18 23:21:06 +0000 | [diff] [blame] | 692 | struct __libcpp_is_signed_impl : public _LIBCPP_BOOL_CONSTANT(_Tp(-1) < _Tp(0)) {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 693 | |
| 694 | template <class _Tp> |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 695 | struct __libcpp_is_signed_impl<_Tp, false> : public true_type {}; // floating point |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 696 | |
| 697 | template <class _Tp, bool = is_arithmetic<_Tp>::value> |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 698 | struct __libcpp_is_signed : public __libcpp_is_signed_impl<_Tp> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 699 | |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 700 | template <class _Tp> struct __libcpp_is_signed<_Tp, false> : public false_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 701 | |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 702 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_signed : public __libcpp_is_signed<_Tp> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 703 | |
| 704 | // is_unsigned |
| 705 | |
| 706 | template <class _Tp, bool = is_integral<_Tp>::value> |
Marshall Clow | e62560a | 2015-05-18 23:21:06 +0000 | [diff] [blame] | 707 | struct __libcpp_is_unsigned_impl : public _LIBCPP_BOOL_CONSTANT(_Tp(0) < _Tp(-1)) {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 708 | |
| 709 | template <class _Tp> |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 710 | struct __libcpp_is_unsigned_impl<_Tp, false> : public false_type {}; // floating point |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 711 | |
| 712 | template <class _Tp, bool = is_arithmetic<_Tp>::value> |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 713 | struct __libcpp_is_unsigned : public __libcpp_is_unsigned_impl<_Tp> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 714 | |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 715 | template <class _Tp> struct __libcpp_is_unsigned<_Tp, false> : public false_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 716 | |
Marshall Clow | 8896ac3 | 2014-01-14 05:13:45 +0000 | [diff] [blame] | 717 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_unsigned : public __libcpp_is_unsigned<_Tp> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 718 | |
| 719 | // rank |
| 720 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 721 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY rank |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 722 | : public integral_constant<size_t, 0> {}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 723 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY rank<_Tp[]> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 724 | : public integral_constant<size_t, rank<_Tp>::value + 1> {}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 725 | template <class _Tp, size_t _Np> struct _LIBCPP_TYPE_VIS_ONLY rank<_Tp[_Np]> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 726 | : public integral_constant<size_t, rank<_Tp>::value + 1> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 727 | |
| 728 | // extent |
| 729 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 730 | template <class _Tp, unsigned _Ip = 0> struct _LIBCPP_TYPE_VIS_ONLY extent |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 731 | : public integral_constant<size_t, 0> {}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 732 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY extent<_Tp[], 0> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 733 | : public integral_constant<size_t, 0> {}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 734 | template <class _Tp, unsigned _Ip> struct _LIBCPP_TYPE_VIS_ONLY extent<_Tp[], _Ip> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 735 | : public integral_constant<size_t, extent<_Tp, _Ip-1>::value> {}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 736 | template <class _Tp, size_t _Np> struct _LIBCPP_TYPE_VIS_ONLY extent<_Tp[_Np], 0> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 737 | : public integral_constant<size_t, _Np> {}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 738 | template <class _Tp, size_t _Np, unsigned _Ip> struct _LIBCPP_TYPE_VIS_ONLY extent<_Tp[_Np], _Ip> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 739 | : public integral_constant<size_t, extent<_Tp, _Ip-1>::value> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 740 | |
| 741 | // remove_extent |
| 742 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 743 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_extent |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 744 | {typedef _Tp type;}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 745 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_extent<_Tp[]> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 746 | {typedef _Tp type;}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 747 | template <class _Tp, size_t _Np> struct _LIBCPP_TYPE_VIS_ONLY remove_extent<_Tp[_Np]> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 748 | {typedef _Tp type;}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 749 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 750 | #if _LIBCPP_STD_VER > 11 |
| 751 | template <class _Tp> using remove_extent_t = typename remove_extent<_Tp>::type; |
| 752 | #endif |
| 753 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 754 | // remove_all_extents |
| 755 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 756 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_all_extents |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 757 | {typedef _Tp type;}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 758 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY remove_all_extents<_Tp[]> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 759 | {typedef typename remove_all_extents<_Tp>::type type;}; |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 760 | template <class _Tp, size_t _Np> struct _LIBCPP_TYPE_VIS_ONLY remove_all_extents<_Tp[_Np]> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 761 | {typedef typename remove_all_extents<_Tp>::type type;}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 762 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 763 | #if _LIBCPP_STD_VER > 11 |
| 764 | template <class _Tp> using remove_all_extents_t = typename remove_all_extents<_Tp>::type; |
| 765 | #endif |
| 766 | |
Marshall Clow | dab89a1 | 2013-10-07 23:43:33 +0000 | [diff] [blame] | 767 | // decay |
| 768 | |
| 769 | template <class _Tp> |
| 770 | struct _LIBCPP_TYPE_VIS_ONLY decay |
| 771 | { |
| 772 | private: |
| 773 | typedef typename remove_reference<_Tp>::type _Up; |
| 774 | public: |
| 775 | typedef typename conditional |
| 776 | < |
| 777 | is_array<_Up>::value, |
| 778 | typename remove_extent<_Up>::type*, |
| 779 | typename conditional |
| 780 | < |
| 781 | is_function<_Up>::value, |
| 782 | typename add_pointer<_Up>::type, |
| 783 | typename remove_cv<_Up>::type |
| 784 | >::type |
| 785 | >::type type; |
| 786 | }; |
| 787 | |
| 788 | #if _LIBCPP_STD_VER > 11 |
| 789 | template <class _Tp> using decay_t = typename decay<_Tp>::type; |
| 790 | #endif |
| 791 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 792 | // is_abstract |
| 793 | |
| 794 | namespace __is_abstract_imp |
| 795 | { |
| 796 | template <class _Tp> char __test(_Tp (*)[1]); |
| 797 | template <class _Tp> __two __test(...); |
| 798 | } |
| 799 | |
| 800 | template <class _Tp, bool = is_class<_Tp>::value> |
| 801 | struct __libcpp_abstract : public integral_constant<bool, sizeof(__is_abstract_imp::__test<_Tp>(0)) != 1> {}; |
| 802 | |
| 803 | template <class _Tp> struct __libcpp_abstract<_Tp, false> : public false_type {}; |
| 804 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 805 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_abstract : public __libcpp_abstract<_Tp> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 806 | |
Marshall Clow | ebd6c2b | 2014-03-05 03:39:25 +0000 | [diff] [blame] | 807 | // is_final |
| 808 | |
Eric Fiselier | 3a0e430 | 2015-06-13 07:08:02 +0000 | [diff] [blame] | 809 | #if defined(_LIBCPP_HAS_IS_FINAL) |
| 810 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY |
| 811 | __libcpp_is_final : public integral_constant<bool, __is_final(_Tp)> {}; |
| 812 | #else |
| 813 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY |
| 814 | __libcpp_is_final : public false_type {}; |
| 815 | #endif |
| 816 | |
| 817 | #if defined(_LIBCPP_HAS_IS_FINAL) && _LIBCPP_STD_VER > 11 |
| 818 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY |
Marshall Clow | ebd6c2b | 2014-03-05 03:39:25 +0000 | [diff] [blame] | 819 | is_final : public integral_constant<bool, __is_final(_Tp)> {}; |
| 820 | #endif |
| 821 | |
Howard Hinnant | a516028 | 2012-08-25 15:06:50 +0000 | [diff] [blame] | 822 | // is_base_of |
| 823 | |
Howard Hinnant | e9df0a5 | 2013-08-01 18:17:34 +0000 | [diff] [blame] | 824 | #ifdef _LIBCPP_HAS_IS_BASE_OF |
Howard Hinnant | a516028 | 2012-08-25 15:06:50 +0000 | [diff] [blame] | 825 | |
| 826 | template <class _Bp, class _Dp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 827 | struct _LIBCPP_TYPE_VIS_ONLY is_base_of |
Howard Hinnant | a516028 | 2012-08-25 15:06:50 +0000 | [diff] [blame] | 828 | : public integral_constant<bool, __is_base_of(_Bp, _Dp)> {}; |
| 829 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 830 | #else // _LIBCPP_HAS_IS_BASE_OF |
Howard Hinnant | a516028 | 2012-08-25 15:06:50 +0000 | [diff] [blame] | 831 | |
Richard Smith | b2f2b68 | 2012-12-20 04:20:28 +0000 | [diff] [blame] | 832 | namespace __is_base_of_imp |
| 833 | { |
| 834 | template <class _Tp> |
| 835 | struct _Dst |
| 836 | { |
| 837 | _Dst(const volatile _Tp &); |
| 838 | }; |
| 839 | template <class _Tp> |
| 840 | struct _Src |
| 841 | { |
| 842 | operator const volatile _Tp &(); |
| 843 | template <class _Up> operator const _Dst<_Up> &(); |
| 844 | }; |
| 845 | template <size_t> struct __one { typedef char type; }; |
| 846 | template <class _Bp, class _Dp> typename __one<sizeof(_Dst<_Bp>(declval<_Src<_Dp> >()))>::type __test(int); |
| 847 | template <class _Bp, class _Dp> __two __test(...); |
| 848 | } |
| 849 | |
| 850 | template <class _Bp, class _Dp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 851 | struct _LIBCPP_TYPE_VIS_ONLY is_base_of |
Richard Smith | b2f2b68 | 2012-12-20 04:20:28 +0000 | [diff] [blame] | 852 | : public integral_constant<bool, is_class<_Bp>::value && |
| 853 | sizeof(__is_base_of_imp::__test<_Bp, _Dp>(0)) == 2> {}; |
Howard Hinnant | a516028 | 2012-08-25 15:06:50 +0000 | [diff] [blame] | 854 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 855 | #endif // _LIBCPP_HAS_IS_BASE_OF |
Howard Hinnant | a516028 | 2012-08-25 15:06:50 +0000 | [diff] [blame] | 856 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 857 | // is_convertible |
| 858 | |
Eric Fiselier | ffbfbcd | 2015-03-19 21:11:02 +0000 | [diff] [blame] | 859 | #if __has_feature(is_convertible_to) && !defined(_LIBCPP_USE_IS_CONVERTIBLE_FALLBACK) |
Howard Hinnant | 091c5ac | 2011-01-27 21:00:00 +0000 | [diff] [blame] | 860 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 861 | template <class _T1, class _T2> struct _LIBCPP_TYPE_VIS_ONLY is_convertible |
Howard Hinnant | e87514a | 2012-08-13 12:29:17 +0000 | [diff] [blame] | 862 | : public integral_constant<bool, __is_convertible_to(_T1, _T2) && |
| 863 | !is_abstract<_T2>::value> {}; |
Howard Hinnant | 091c5ac | 2011-01-27 21:00:00 +0000 | [diff] [blame] | 864 | |
Howard Hinnant | 31b8e61 | 2011-02-10 17:46:03 +0000 | [diff] [blame] | 865 | #else // __has_feature(is_convertible_to) |
Howard Hinnant | 091c5ac | 2011-01-27 21:00:00 +0000 | [diff] [blame] | 866 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 867 | namespace __is_convertible_imp |
| 868 | { |
Eric Fiselier | 4bd1546 | 2015-03-30 15:22:20 +0000 | [diff] [blame] | 869 | template <class _Tp> void __test_convert(_Tp); |
| 870 | |
| 871 | template <class _From, class _To, class = void> |
| 872 | struct __is_convertible_test : public false_type {}; |
| 873 | |
| 874 | template <class _From, class _To> |
| 875 | struct __is_convertible_test<_From, _To, |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 876 | decltype(__test_convert<_To>(_VSTD::declval<_From>()))> : public true_type |
Eric Fiselier | 4bd1546 | 2015-03-30 15:22:20 +0000 | [diff] [blame] | 877 | {}; |
| 878 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 879 | template <class _Tp> __two __test(...); |
| 880 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 881 | template <class _Tp> _Tp&& __source(); |
| 882 | #else |
| 883 | template <class _Tp> typename remove_reference<_Tp>::type& __source(); |
| 884 | #endif |
| 885 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 886 | template <class _Tp, bool _IsArray = is_array<_Tp>::value, |
| 887 | bool _IsFunction = is_function<_Tp>::value, |
| 888 | bool _IsVoid = is_void<_Tp>::value> |
| 889 | struct __is_array_function_or_void {enum {value = 0};}; |
| 890 | template <class _Tp> struct __is_array_function_or_void<_Tp, true, false, false> {enum {value = 1};}; |
| 891 | template <class _Tp> struct __is_array_function_or_void<_Tp, false, true, false> {enum {value = 2};}; |
| 892 | template <class _Tp> struct __is_array_function_or_void<_Tp, false, false, true> {enum {value = 3};}; |
| 893 | } |
| 894 | |
| 895 | template <class _Tp, |
| 896 | unsigned = __is_convertible_imp::__is_array_function_or_void<typename remove_reference<_Tp>::type>::value> |
| 897 | struct __is_convertible_check |
| 898 | { |
| 899 | static const size_t __v = 0; |
| 900 | }; |
| 901 | |
| 902 | template <class _Tp> |
| 903 | struct __is_convertible_check<_Tp, 0> |
| 904 | { |
| 905 | static const size_t __v = sizeof(_Tp); |
| 906 | }; |
| 907 | |
| 908 | template <class _T1, class _T2, |
| 909 | unsigned _T1_is_array_function_or_void = __is_convertible_imp::__is_array_function_or_void<_T1>::value, |
| 910 | unsigned _T2_is_array_function_or_void = __is_convertible_imp::__is_array_function_or_void<_T2>::value> |
| 911 | struct __is_convertible |
| 912 | : public integral_constant<bool, |
Eric Fiselier | 4bd1546 | 2015-03-30 15:22:20 +0000 | [diff] [blame] | 913 | __is_convertible_imp::__is_convertible_test<_T1, _T2>::value |
| 914 | #if defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) |
Howard Hinnant | a0852ff | 2012-08-17 17:54:11 +0000 | [diff] [blame] | 915 | && !(!is_function<_T1>::value && !is_reference<_T1>::value && is_reference<_T2>::value |
| 916 | && (!is_const<typename remove_reference<_T2>::type>::value |
Howard Hinnant | a516028 | 2012-08-25 15:06:50 +0000 | [diff] [blame] | 917 | || is_volatile<typename remove_reference<_T2>::type>::value) |
| 918 | && (is_same<typename remove_cv<_T1>::type, |
| 919 | typename remove_cv<typename remove_reference<_T2>::type>::type>::value |
| 920 | || is_base_of<typename remove_reference<_T2>::type, _T1>::value)) |
Howard Hinnant | a0852ff | 2012-08-17 17:54:11 +0000 | [diff] [blame] | 921 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 922 | > |
| 923 | {}; |
| 924 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 925 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 1, 0> : false_type {}; |
| 926 | |
| 927 | template <class _T1> struct __is_convertible<_T1, const _T1&, 1, 0> : true_type {}; |
| 928 | template <class _T1> struct __is_convertible<const _T1, const _T1&, 1, 0> : true_type {}; |
| 929 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 930 | template <class _T1> struct __is_convertible<_T1, _T1&&, 1, 0> : true_type {}; |
| 931 | template <class _T1> struct __is_convertible<_T1, const _T1&&, 1, 0> : true_type {}; |
| 932 | template <class _T1> struct __is_convertible<_T1, volatile _T1&&, 1, 0> : true_type {}; |
| 933 | template <class _T1> struct __is_convertible<_T1, const volatile _T1&&, 1, 0> : true_type {}; |
| 934 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 935 | |
| 936 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2*, 1, 0> |
| 937 | : public integral_constant<bool, __is_convertible<typename remove_all_extents<_T1>::type*, _T2*>::value> {}; |
| 938 | |
| 939 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2* const, 1, 0> |
| 940 | : public integral_constant<bool, __is_convertible<typename remove_all_extents<_T1>::type*, _T2*const>::value> {}; |
| 941 | |
| 942 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2* volatile, 1, 0> |
| 943 | : public integral_constant<bool, __is_convertible<typename remove_all_extents<_T1>::type*, _T2*volatile>::value> {}; |
| 944 | |
| 945 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2* const volatile, 1, 0> |
| 946 | : public integral_constant<bool, __is_convertible<typename remove_all_extents<_T1>::type*, _T2*const volatile>::value> {}; |
| 947 | |
| 948 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 2, 0> : public false_type {}; |
| 949 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 950 | template <class _T1> struct __is_convertible<_T1, _T1&&, 2, 0> : public true_type {}; |
| 951 | #endif |
| 952 | template <class _T1> struct __is_convertible<_T1, _T1&, 2, 0> : public true_type {}; |
| 953 | template <class _T1> struct __is_convertible<_T1, _T1*, 2, 0> : public true_type {}; |
| 954 | template <class _T1> struct __is_convertible<_T1, _T1*const, 2, 0> : public true_type {}; |
| 955 | template <class _T1> struct __is_convertible<_T1, _T1*volatile, 2, 0> : public true_type {}; |
| 956 | template <class _T1> struct __is_convertible<_T1, _T1*const volatile, 2, 0> : public true_type {}; |
| 957 | |
| 958 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 3, 0> : public false_type {}; |
| 959 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 960 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 0, 1> : public false_type {}; |
| 961 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 1, 1> : public false_type {}; |
| 962 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 2, 1> : public false_type {}; |
| 963 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 3, 1> : public false_type {}; |
| 964 | |
| 965 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 0, 2> : public false_type {}; |
| 966 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 1, 2> : public false_type {}; |
| 967 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 2, 2> : public false_type {}; |
| 968 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 3, 2> : public false_type {}; |
| 969 | |
| 970 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 0, 3> : public false_type {}; |
| 971 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 1, 3> : public false_type {}; |
| 972 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 2, 3> : public false_type {}; |
| 973 | template <class _T1, class _T2> struct __is_convertible<_T1, _T2, 3, 3> : public true_type {}; |
| 974 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 975 | template <class _T1, class _T2> struct _LIBCPP_TYPE_VIS_ONLY is_convertible |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 976 | : public __is_convertible<_T1, _T2> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 977 | { |
| 978 | static const size_t __complete_check1 = __is_convertible_check<_T1>::__v; |
| 979 | static const size_t __complete_check2 = __is_convertible_check<_T2>::__v; |
| 980 | }; |
| 981 | |
Howard Hinnant | 31b8e61 | 2011-02-10 17:46:03 +0000 | [diff] [blame] | 982 | #endif // __has_feature(is_convertible_to) |
Howard Hinnant | 091c5ac | 2011-01-27 21:00:00 +0000 | [diff] [blame] | 983 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 984 | // is_empty |
| 985 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 986 | #if __has_feature(is_empty) || (_GNUC_VER >= 407) |
Howard Hinnant | e814a90 | 2011-12-02 20:41:47 +0000 | [diff] [blame] | 987 | |
| 988 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 989 | struct _LIBCPP_TYPE_VIS_ONLY is_empty |
Howard Hinnant | e814a90 | 2011-12-02 20:41:47 +0000 | [diff] [blame] | 990 | : public integral_constant<bool, __is_empty(_Tp)> {}; |
| 991 | |
| 992 | #else // __has_feature(is_empty) |
| 993 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 994 | template <class _Tp> |
| 995 | struct __is_empty1 |
| 996 | : public _Tp |
| 997 | { |
Howard Hinnant | 9c0df14 | 2012-10-30 19:06:59 +0000 | [diff] [blame] | 998 | double __lx; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 999 | }; |
| 1000 | |
| 1001 | struct __is_empty2 |
| 1002 | { |
Howard Hinnant | 9c0df14 | 2012-10-30 19:06:59 +0000 | [diff] [blame] | 1003 | double __lx; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1004 | }; |
| 1005 | |
| 1006 | template <class _Tp, bool = is_class<_Tp>::value> |
| 1007 | struct __libcpp_empty : public integral_constant<bool, sizeof(__is_empty1<_Tp>) == sizeof(__is_empty2)> {}; |
| 1008 | |
| 1009 | template <class _Tp> struct __libcpp_empty<_Tp, false> : public false_type {}; |
| 1010 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1011 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_empty : public __libcpp_empty<_Tp> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1012 | |
Howard Hinnant | e814a90 | 2011-12-02 20:41:47 +0000 | [diff] [blame] | 1013 | #endif // __has_feature(is_empty) |
| 1014 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1015 | // is_polymorphic |
| 1016 | |
Yaron Keren | 0648cc5 | 2014-02-21 10:00:31 +0000 | [diff] [blame] | 1017 | #if __has_feature(is_polymorphic) || defined(_LIBCPP_MSVC) |
Howard Hinnant | 1e9f55f | 2012-02-15 20:47:11 +0000 | [diff] [blame] | 1018 | |
| 1019 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1020 | struct _LIBCPP_TYPE_VIS_ONLY is_polymorphic |
Howard Hinnant | 1e9f55f | 2012-02-15 20:47:11 +0000 | [diff] [blame] | 1021 | : public integral_constant<bool, __is_polymorphic(_Tp)> {}; |
| 1022 | |
| 1023 | #else |
| 1024 | |
Howard Hinnant | 11a50ac | 2013-04-02 21:25:06 +0000 | [diff] [blame] | 1025 | template<typename _Tp> char &__is_polymorphic_impl( |
| 1026 | typename enable_if<sizeof((_Tp*)dynamic_cast<const volatile void*>(declval<_Tp*>())) != 0, |
| 1027 | int>::type); |
| 1028 | template<typename _Tp> __two &__is_polymorphic_impl(...); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1029 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1030 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_polymorphic |
Howard Hinnant | 11a50ac | 2013-04-02 21:25:06 +0000 | [diff] [blame] | 1031 | : public integral_constant<bool, sizeof(__is_polymorphic_impl<_Tp>(0)) == 1> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1032 | |
Howard Hinnant | 1e9f55f | 2012-02-15 20:47:11 +0000 | [diff] [blame] | 1033 | #endif // __has_feature(is_polymorphic) |
| 1034 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1035 | // has_virtual_destructor |
| 1036 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 1037 | #if __has_feature(has_virtual_destructor) || (_GNUC_VER >= 403) |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1038 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1039 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY has_virtual_destructor |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1040 | : public integral_constant<bool, __has_virtual_destructor(_Tp)> {}; |
| 1041 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 1042 | #else |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1043 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1044 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY has_virtual_destructor |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 1045 | : public false_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1046 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 1047 | #endif |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1048 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1049 | // alignment_of |
| 1050 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1051 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY alignment_of |
Howard Hinnant | 5544f7e | 2013-04-22 19:37:49 +0000 | [diff] [blame] | 1052 | : public integral_constant<size_t, __alignof__(_Tp)> {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1053 | |
| 1054 | // aligned_storage |
| 1055 | |
| 1056 | template <class _Hp, class _Tp> |
| 1057 | struct __type_list |
| 1058 | { |
| 1059 | typedef _Hp _Head; |
| 1060 | typedef _Tp _Tail; |
| 1061 | }; |
| 1062 | |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 1063 | struct __nat |
| 1064 | { |
| 1065 | #ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS |
| 1066 | __nat() = delete; |
| 1067 | __nat(const __nat&) = delete; |
| 1068 | __nat& operator=(const __nat&) = delete; |
| 1069 | ~__nat() = delete; |
| 1070 | #endif |
| 1071 | }; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1072 | |
| 1073 | template <class _Tp> |
| 1074 | struct __align_type |
| 1075 | { |
| 1076 | static const size_t value = alignment_of<_Tp>::value; |
| 1077 | typedef _Tp type; |
| 1078 | }; |
| 1079 | |
Howard Hinnant | 9c0df14 | 2012-10-30 19:06:59 +0000 | [diff] [blame] | 1080 | struct __struct_double {long double __lx;}; |
| 1081 | struct __struct_double4 {double __lx[4];}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1082 | |
| 1083 | typedef |
| 1084 | __type_list<__align_type<unsigned char>, |
| 1085 | __type_list<__align_type<unsigned short>, |
| 1086 | __type_list<__align_type<unsigned int>, |
| 1087 | __type_list<__align_type<unsigned long>, |
| 1088 | __type_list<__align_type<unsigned long long>, |
| 1089 | __type_list<__align_type<double>, |
| 1090 | __type_list<__align_type<long double>, |
| 1091 | __type_list<__align_type<__struct_double>, |
| 1092 | __type_list<__align_type<__struct_double4>, |
| 1093 | __type_list<__align_type<int*>, |
| 1094 | __nat |
| 1095 | > > > > > > > > > > __all_types; |
| 1096 | |
| 1097 | template <class _TL, size_t _Align> struct __find_pod; |
| 1098 | |
| 1099 | template <class _Hp, size_t _Align> |
| 1100 | struct __find_pod<__type_list<_Hp, __nat>, _Align> |
| 1101 | { |
| 1102 | typedef typename conditional< |
| 1103 | _Align == _Hp::value, |
| 1104 | typename _Hp::type, |
| 1105 | void |
| 1106 | >::type type; |
| 1107 | }; |
| 1108 | |
| 1109 | template <class _Hp, class _Tp, size_t _Align> |
| 1110 | struct __find_pod<__type_list<_Hp, _Tp>, _Align> |
| 1111 | { |
| 1112 | typedef typename conditional< |
| 1113 | _Align == _Hp::value, |
| 1114 | typename _Hp::type, |
| 1115 | typename __find_pod<_Tp, _Align>::type |
| 1116 | >::type type; |
| 1117 | }; |
| 1118 | |
| 1119 | template <class _TL, size_t _Len> struct __find_max_align; |
| 1120 | |
| 1121 | template <class _Hp, size_t _Len> |
| 1122 | struct __find_max_align<__type_list<_Hp, __nat>, _Len> : public integral_constant<size_t, _Hp::value> {}; |
| 1123 | |
| 1124 | template <size_t _Len, size_t _A1, size_t _A2> |
| 1125 | struct __select_align |
| 1126 | { |
| 1127 | private: |
| 1128 | static const size_t __min = _A2 < _A1 ? _A2 : _A1; |
| 1129 | static const size_t __max = _A1 < _A2 ? _A2 : _A1; |
| 1130 | public: |
| 1131 | static const size_t value = _Len < __max ? __min : __max; |
| 1132 | }; |
| 1133 | |
| 1134 | template <class _Hp, class _Tp, size_t _Len> |
| 1135 | struct __find_max_align<__type_list<_Hp, _Tp>, _Len> |
| 1136 | : public integral_constant<size_t, __select_align<_Len, _Hp::value, __find_max_align<_Tp, _Len>::value>::value> {}; |
| 1137 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 1138 | template <size_t _Len, size_t _Align = __find_max_align<__all_types, _Len>::value> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1139 | struct _LIBCPP_TYPE_VIS_ONLY aligned_storage |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1140 | { |
| 1141 | typedef typename __find_pod<__all_types, _Align>::type _Aligner; |
| 1142 | static_assert(!is_void<_Aligner>::value, ""); |
| 1143 | union type |
| 1144 | { |
| 1145 | _Aligner __align; |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 1146 | unsigned char __data[_Len]; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1147 | }; |
| 1148 | }; |
| 1149 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 1150 | #if _LIBCPP_STD_VER > 11 |
| 1151 | template <size_t _Len, size_t _Align = __find_max_align<__all_types, _Len>::value> |
| 1152 | using aligned_storage_t = typename aligned_storage<_Len, _Align>::type; |
| 1153 | #endif |
| 1154 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1155 | #define _CREATE_ALIGNED_STORAGE_SPECIALIZATION(n) \ |
| 1156 | template <size_t _Len>\ |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1157 | struct _LIBCPP_TYPE_VIS_ONLY aligned_storage<_Len, n>\ |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1158 | {\ |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 1159 | struct _ALIGNAS(n) type\ |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1160 | {\ |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 1161 | unsigned char __lx[_Len];\ |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 1162 | };\ |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1163 | } |
| 1164 | |
| 1165 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x1); |
| 1166 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x2); |
| 1167 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x4); |
| 1168 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x8); |
| 1169 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x10); |
| 1170 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x20); |
| 1171 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x40); |
| 1172 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x80); |
| 1173 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x100); |
| 1174 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x200); |
| 1175 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x400); |
| 1176 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x800); |
| 1177 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x1000); |
| 1178 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x2000); |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 1179 | // MSDN says that MSVC does not support alignment beyond 8192 (=0x2000) |
Howard Hinnant | e9df0a5 | 2013-08-01 18:17:34 +0000 | [diff] [blame] | 1180 | #if !defined(_LIBCPP_MSVC) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1181 | _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x4000); |
Howard Hinnant | e9df0a5 | 2013-08-01 18:17:34 +0000 | [diff] [blame] | 1182 | #endif // !_LIBCPP_MSVC |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1183 | |
| 1184 | #undef _CREATE_ALIGNED_STORAGE_SPECIALIZATION |
| 1185 | |
Howard Hinnant | 5544f7e | 2013-04-22 19:37:49 +0000 | [diff] [blame] | 1186 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
| 1187 | |
| 1188 | // aligned_union |
| 1189 | |
| 1190 | template <size_t _I0, size_t ..._In> |
| 1191 | struct __static_max; |
| 1192 | |
| 1193 | template <size_t _I0> |
| 1194 | struct __static_max<_I0> |
| 1195 | { |
| 1196 | static const size_t value = _I0; |
| 1197 | }; |
| 1198 | |
| 1199 | template <size_t _I0, size_t _I1, size_t ..._In> |
| 1200 | struct __static_max<_I0, _I1, _In...> |
| 1201 | { |
| 1202 | static const size_t value = _I0 >= _I1 ? __static_max<_I0, _In...>::value : |
| 1203 | __static_max<_I1, _In...>::value; |
| 1204 | }; |
| 1205 | |
| 1206 | template <size_t _Len, class _Type0, class ..._Types> |
| 1207 | struct aligned_union |
| 1208 | { |
| 1209 | static const size_t alignment_value = __static_max<__alignof__(_Type0), |
| 1210 | __alignof__(_Types)...>::value; |
| 1211 | static const size_t __len = __static_max<_Len, sizeof(_Type0), |
| 1212 | sizeof(_Types)...>::value; |
| 1213 | typedef typename aligned_storage<__len, alignment_value>::type type; |
| 1214 | }; |
| 1215 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 1216 | #if _LIBCPP_STD_VER > 11 |
| 1217 | template <size_t _Len, class ..._Types> using aligned_union_t = typename aligned_union<_Len, _Types...>::type; |
| 1218 | #endif |
| 1219 | |
Howard Hinnant | 5544f7e | 2013-04-22 19:37:49 +0000 | [diff] [blame] | 1220 | #endif // _LIBCPP_HAS_NO_VARIADICS |
| 1221 | |
Marshall Clow | 854a7a0 | 2014-01-03 18:21:14 +0000 | [diff] [blame] | 1222 | template <class _Tp> |
| 1223 | struct __numeric_type |
| 1224 | { |
| 1225 | static void __test(...); |
| 1226 | static float __test(float); |
| 1227 | static double __test(char); |
| 1228 | static double __test(int); |
| 1229 | static double __test(unsigned); |
| 1230 | static double __test(long); |
| 1231 | static double __test(unsigned long); |
| 1232 | static double __test(long long); |
| 1233 | static double __test(unsigned long long); |
| 1234 | static double __test(double); |
| 1235 | static long double __test(long double); |
| 1236 | |
| 1237 | typedef decltype(__test(declval<_Tp>())) type; |
| 1238 | static const bool value = !is_same<type, void>::value; |
| 1239 | }; |
| 1240 | |
| 1241 | template <> |
| 1242 | struct __numeric_type<void> |
| 1243 | { |
| 1244 | static const bool value = true; |
| 1245 | }; |
| 1246 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1247 | // __promote |
| 1248 | |
| 1249 | template <class _A1, class _A2 = void, class _A3 = void, |
Marshall Clow | 854a7a0 | 2014-01-03 18:21:14 +0000 | [diff] [blame] | 1250 | bool = __numeric_type<_A1>::value && |
| 1251 | __numeric_type<_A2>::value && |
| 1252 | __numeric_type<_A3>::value> |
Eric Fiselier | 950ee77 | 2014-10-17 00:31:47 +0000 | [diff] [blame] | 1253 | class __promote_imp |
Marshall Clow | 854a7a0 | 2014-01-03 18:21:14 +0000 | [diff] [blame] | 1254 | { |
Eric Fiselier | 950ee77 | 2014-10-17 00:31:47 +0000 | [diff] [blame] | 1255 | public: |
Marshall Clow | 854a7a0 | 2014-01-03 18:21:14 +0000 | [diff] [blame] | 1256 | static const bool value = false; |
| 1257 | }; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1258 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1259 | template <class _A1, class _A2, class _A3> |
Eric Fiselier | 950ee77 | 2014-10-17 00:31:47 +0000 | [diff] [blame] | 1260 | class __promote_imp<_A1, _A2, _A3, true> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1261 | { |
| 1262 | private: |
Eric Fiselier | 950ee77 | 2014-10-17 00:31:47 +0000 | [diff] [blame] | 1263 | typedef typename __promote_imp<_A1>::type __type1; |
| 1264 | typedef typename __promote_imp<_A2>::type __type2; |
| 1265 | typedef typename __promote_imp<_A3>::type __type3; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1266 | public: |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 1267 | typedef decltype(__type1() + __type2() + __type3()) type; |
Marshall Clow | 854a7a0 | 2014-01-03 18:21:14 +0000 | [diff] [blame] | 1268 | static const bool value = true; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1269 | }; |
| 1270 | |
| 1271 | template <class _A1, class _A2> |
Eric Fiselier | 950ee77 | 2014-10-17 00:31:47 +0000 | [diff] [blame] | 1272 | class __promote_imp<_A1, _A2, void, true> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1273 | { |
| 1274 | private: |
Eric Fiselier | 950ee77 | 2014-10-17 00:31:47 +0000 | [diff] [blame] | 1275 | typedef typename __promote_imp<_A1>::type __type1; |
| 1276 | typedef typename __promote_imp<_A2>::type __type2; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1277 | public: |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 1278 | typedef decltype(__type1() + __type2()) type; |
Marshall Clow | 854a7a0 | 2014-01-03 18:21:14 +0000 | [diff] [blame] | 1279 | static const bool value = true; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1280 | }; |
| 1281 | |
| 1282 | template <class _A1> |
Eric Fiselier | 950ee77 | 2014-10-17 00:31:47 +0000 | [diff] [blame] | 1283 | class __promote_imp<_A1, void, void, true> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1284 | { |
| 1285 | public: |
Marshall Clow | 854a7a0 | 2014-01-03 18:21:14 +0000 | [diff] [blame] | 1286 | typedef typename __numeric_type<_A1>::type type; |
| 1287 | static const bool value = true; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1288 | }; |
| 1289 | |
Eric Fiselier | 950ee77 | 2014-10-17 00:31:47 +0000 | [diff] [blame] | 1290 | template <class _A1, class _A2 = void, class _A3 = void> |
| 1291 | class __promote : public __promote_imp<_A1, _A2, _A3> {}; |
| 1292 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 1293 | #ifdef _LIBCPP_STORE_AS_OPTIMIZATION |
| 1294 | |
| 1295 | // __transform |
| 1296 | |
| 1297 | template <class _Tp, size_t = sizeof(_Tp), bool = is_scalar<_Tp>::value> struct __transform {typedef _Tp type;}; |
| 1298 | template <class _Tp> struct __transform<_Tp, 1, true> {typedef unsigned char type;}; |
| 1299 | template <class _Tp> struct __transform<_Tp, 2, true> {typedef unsigned short type;}; |
| 1300 | template <class _Tp> struct __transform<_Tp, 4, true> {typedef unsigned int type;}; |
| 1301 | template <class _Tp> struct __transform<_Tp, 8, true> {typedef unsigned long long type;}; |
| 1302 | |
| 1303 | #endif // _LIBCPP_STORE_AS_OPTIMIZATION |
| 1304 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1305 | // make_signed / make_unsigned |
| 1306 | |
| 1307 | typedef |
| 1308 | __type_list<signed char, |
| 1309 | __type_list<signed short, |
| 1310 | __type_list<signed int, |
| 1311 | __type_list<signed long, |
| 1312 | __type_list<signed long long, |
Stephan Tolksdorf | 8a71d23 | 2014-03-26 19:45:52 +0000 | [diff] [blame] | 1313 | #ifndef _LIBCPP_HAS_NO_INT128 |
| 1314 | __type_list<__int128_t, |
| 1315 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1316 | __nat |
Stephan Tolksdorf | 8a71d23 | 2014-03-26 19:45:52 +0000 | [diff] [blame] | 1317 | #ifndef _LIBCPP_HAS_NO_INT128 |
| 1318 | > |
| 1319 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1320 | > > > > > __signed_types; |
| 1321 | |
| 1322 | typedef |
| 1323 | __type_list<unsigned char, |
| 1324 | __type_list<unsigned short, |
| 1325 | __type_list<unsigned int, |
| 1326 | __type_list<unsigned long, |
| 1327 | __type_list<unsigned long long, |
Stephan Tolksdorf | 8a71d23 | 2014-03-26 19:45:52 +0000 | [diff] [blame] | 1328 | #ifndef _LIBCPP_HAS_NO_INT128 |
| 1329 | __type_list<__uint128_t, |
| 1330 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1331 | __nat |
Stephan Tolksdorf | 8a71d23 | 2014-03-26 19:45:52 +0000 | [diff] [blame] | 1332 | #ifndef _LIBCPP_HAS_NO_INT128 |
| 1333 | > |
| 1334 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1335 | > > > > > __unsigned_types; |
| 1336 | |
| 1337 | template <class _TypeList, size_t _Size, bool = _Size <= sizeof(typename _TypeList::_Head)> struct __find_first; |
| 1338 | |
| 1339 | template <class _Hp, class _Tp, size_t _Size> |
| 1340 | struct __find_first<__type_list<_Hp, _Tp>, _Size, true> |
| 1341 | { |
| 1342 | typedef _Hp type; |
| 1343 | }; |
| 1344 | |
| 1345 | template <class _Hp, class _Tp, size_t _Size> |
| 1346 | struct __find_first<__type_list<_Hp, _Tp>, _Size, false> |
| 1347 | { |
| 1348 | typedef typename __find_first<_Tp, _Size>::type type; |
| 1349 | }; |
| 1350 | |
| 1351 | template <class _Tp, class _Up, bool = is_const<typename remove_reference<_Tp>::type>::value, |
| 1352 | bool = is_volatile<typename remove_reference<_Tp>::type>::value> |
| 1353 | struct __apply_cv |
| 1354 | { |
| 1355 | typedef _Up type; |
| 1356 | }; |
| 1357 | |
| 1358 | template <class _Tp, class _Up> |
| 1359 | struct __apply_cv<_Tp, _Up, true, false> |
| 1360 | { |
| 1361 | typedef const _Up type; |
| 1362 | }; |
| 1363 | |
| 1364 | template <class _Tp, class _Up> |
| 1365 | struct __apply_cv<_Tp, _Up, false, true> |
| 1366 | { |
| 1367 | typedef volatile _Up type; |
| 1368 | }; |
| 1369 | |
| 1370 | template <class _Tp, class _Up> |
| 1371 | struct __apply_cv<_Tp, _Up, true, true> |
| 1372 | { |
| 1373 | typedef const volatile _Up type; |
| 1374 | }; |
| 1375 | |
| 1376 | template <class _Tp, class _Up> |
| 1377 | struct __apply_cv<_Tp&, _Up, false, false> |
| 1378 | { |
| 1379 | typedef _Up& type; |
| 1380 | }; |
| 1381 | |
| 1382 | template <class _Tp, class _Up> |
| 1383 | struct __apply_cv<_Tp&, _Up, true, false> |
| 1384 | { |
| 1385 | typedef const _Up& type; |
| 1386 | }; |
| 1387 | |
| 1388 | template <class _Tp, class _Up> |
| 1389 | struct __apply_cv<_Tp&, _Up, false, true> |
| 1390 | { |
| 1391 | typedef volatile _Up& type; |
| 1392 | }; |
| 1393 | |
| 1394 | template <class _Tp, class _Up> |
| 1395 | struct __apply_cv<_Tp&, _Up, true, true> |
| 1396 | { |
| 1397 | typedef const volatile _Up& type; |
| 1398 | }; |
| 1399 | |
| 1400 | template <class _Tp, bool = is_integral<_Tp>::value || is_enum<_Tp>::value> |
| 1401 | struct __make_signed {}; |
| 1402 | |
| 1403 | template <class _Tp> |
| 1404 | struct __make_signed<_Tp, true> |
| 1405 | { |
| 1406 | typedef typename __find_first<__signed_types, sizeof(_Tp)>::type type; |
| 1407 | }; |
| 1408 | |
| 1409 | template <> struct __make_signed<bool, true> {}; |
| 1410 | template <> struct __make_signed< signed short, true> {typedef short type;}; |
| 1411 | template <> struct __make_signed<unsigned short, true> {typedef short type;}; |
| 1412 | template <> struct __make_signed< signed int, true> {typedef int type;}; |
| 1413 | template <> struct __make_signed<unsigned int, true> {typedef int type;}; |
| 1414 | template <> struct __make_signed< signed long, true> {typedef long type;}; |
| 1415 | template <> struct __make_signed<unsigned long, true> {typedef long type;}; |
| 1416 | template <> struct __make_signed< signed long long, true> {typedef long long type;}; |
| 1417 | template <> struct __make_signed<unsigned long long, true> {typedef long long type;}; |
Stephan Tolksdorf | 8a71d23 | 2014-03-26 19:45:52 +0000 | [diff] [blame] | 1418 | #ifndef _LIBCPP_HAS_NO_INT128 |
| 1419 | template <> struct __make_signed<__int128_t, true> {typedef __int128_t type;}; |
| 1420 | template <> struct __make_signed<__uint128_t, true> {typedef __int128_t type;}; |
| 1421 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1422 | |
| 1423 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1424 | struct _LIBCPP_TYPE_VIS_ONLY make_signed |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1425 | { |
| 1426 | typedef typename __apply_cv<_Tp, typename __make_signed<typename remove_cv<_Tp>::type>::type>::type type; |
| 1427 | }; |
| 1428 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 1429 | #if _LIBCPP_STD_VER > 11 |
| 1430 | template <class _Tp> using make_signed_t = typename make_signed<_Tp>::type; |
| 1431 | #endif |
| 1432 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1433 | template <class _Tp, bool = is_integral<_Tp>::value || is_enum<_Tp>::value> |
| 1434 | struct __make_unsigned {}; |
| 1435 | |
| 1436 | template <class _Tp> |
| 1437 | struct __make_unsigned<_Tp, true> |
| 1438 | { |
| 1439 | typedef typename __find_first<__unsigned_types, sizeof(_Tp)>::type type; |
| 1440 | }; |
| 1441 | |
| 1442 | template <> struct __make_unsigned<bool, true> {}; |
| 1443 | template <> struct __make_unsigned< signed short, true> {typedef unsigned short type;}; |
| 1444 | template <> struct __make_unsigned<unsigned short, true> {typedef unsigned short type;}; |
| 1445 | template <> struct __make_unsigned< signed int, true> {typedef unsigned int type;}; |
| 1446 | template <> struct __make_unsigned<unsigned int, true> {typedef unsigned int type;}; |
| 1447 | template <> struct __make_unsigned< signed long, true> {typedef unsigned long type;}; |
| 1448 | template <> struct __make_unsigned<unsigned long, true> {typedef unsigned long type;}; |
| 1449 | template <> struct __make_unsigned< signed long long, true> {typedef unsigned long long type;}; |
| 1450 | template <> struct __make_unsigned<unsigned long long, true> {typedef unsigned long long type;}; |
Stephan Tolksdorf | 8a71d23 | 2014-03-26 19:45:52 +0000 | [diff] [blame] | 1451 | #ifndef _LIBCPP_HAS_NO_INT128 |
| 1452 | template <> struct __make_unsigned<__int128_t, true> {typedef __uint128_t type;}; |
| 1453 | template <> struct __make_unsigned<__uint128_t, true> {typedef __uint128_t type;}; |
| 1454 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1455 | |
| 1456 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1457 | struct _LIBCPP_TYPE_VIS_ONLY make_unsigned |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1458 | { |
| 1459 | typedef typename __apply_cv<_Tp, typename __make_unsigned<typename remove_cv<_Tp>::type>::type>::type type; |
| 1460 | }; |
| 1461 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 1462 | #if _LIBCPP_STD_VER > 11 |
| 1463 | template <class _Tp> using make_unsigned_t = typename make_unsigned<_Tp>::type; |
| 1464 | #endif |
| 1465 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1466 | #ifdef _LIBCPP_HAS_NO_VARIADICS |
| 1467 | |
Marshall Clow | 6027993 | 2015-01-09 17:03:36 +0000 | [diff] [blame] | 1468 | template <class _Tp, class _Up = void, class _Vp = void> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1469 | struct _LIBCPP_TYPE_VIS_ONLY common_type |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1470 | { |
| 1471 | public: |
Marshall Clow | 6027993 | 2015-01-09 17:03:36 +0000 | [diff] [blame] | 1472 | typedef typename common_type<typename common_type<_Tp, _Up>::type, _Vp>::type type; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1473 | }; |
| 1474 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1475 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1476 | struct _LIBCPP_TYPE_VIS_ONLY common_type<_Tp, void, void> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1477 | { |
| 1478 | public: |
Marshall Clow | 71e699d | 2014-02-10 17:40:28 +0000 | [diff] [blame] | 1479 | typedef typename decay<_Tp>::type type; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1480 | }; |
| 1481 | |
| 1482 | template <class _Tp, class _Up> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1483 | struct _LIBCPP_TYPE_VIS_ONLY common_type<_Tp, _Up, void> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1484 | { |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 1485 | private: |
| 1486 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 1487 | static _Tp&& __t(); |
| 1488 | static _Up&& __u(); |
| 1489 | #else // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 1490 | static _Tp __t(); |
| 1491 | static _Up __u(); |
| 1492 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 1493 | public: |
| 1494 | typedef typename remove_reference<decltype(true ? __t() : __u())>::type type; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1495 | }; |
| 1496 | |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1497 | #else // _LIBCPP_HAS_NO_VARIADICS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1498 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 1499 | template <class ..._Tp> struct common_type; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1500 | |
| 1501 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1502 | struct _LIBCPP_TYPE_VIS_ONLY common_type<_Tp> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1503 | { |
Marshall Clow | dab89a1 | 2013-10-07 23:43:33 +0000 | [diff] [blame] | 1504 | typedef typename decay<_Tp>::type type; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1505 | }; |
| 1506 | |
| 1507 | template <class _Tp, class _Up> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1508 | struct _LIBCPP_TYPE_VIS_ONLY common_type<_Tp, _Up> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1509 | { |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 1510 | private: |
| 1511 | static _Tp&& __t(); |
| 1512 | static _Up&& __u(); |
| 1513 | static bool __f(); |
| 1514 | public: |
| 1515 | typedef typename decay<decltype(__f() ? __t() : __u())>::type type; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1516 | }; |
| 1517 | |
| 1518 | template <class _Tp, class _Up, class ..._Vp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1519 | struct _LIBCPP_TYPE_VIS_ONLY common_type<_Tp, _Up, _Vp...> |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 1520 | { |
| 1521 | typedef typename common_type<typename common_type<_Tp, _Up>::type, _Vp...>::type type; |
| 1522 | }; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1523 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 1524 | #if _LIBCPP_STD_VER > 11 |
| 1525 | template <class ..._Tp> using common_type_t = typename common_type<_Tp...>::type; |
| 1526 | #endif |
| 1527 | |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1528 | #endif // _LIBCPP_HAS_NO_VARIADICS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1529 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 1530 | // is_assignable |
| 1531 | |
Joerg Sonnenberger | bfaafd5 | 2013-11-25 22:44:20 +0000 | [diff] [blame] | 1532 | template<typename, typename _Tp> struct __select_2nd { typedef _Tp type; }; |
Howard Hinnant | 01afa5c | 2013-09-02 20:30:37 +0000 | [diff] [blame] | 1533 | |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1534 | template <class _Tp, class _Arg> |
Howard Hinnant | 01afa5c | 2013-09-02 20:30:37 +0000 | [diff] [blame] | 1535 | typename __select_2nd<decltype((_VSTD::declval<_Tp>() = _VSTD::declval<_Arg>())), true_type>::type |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1536 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 1537 | __is_assignable_test(_Tp&&, _Arg&&); |
| 1538 | #else |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 1539 | __is_assignable_test(_Tp, _Arg&); |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1540 | #endif |
| 1541 | |
| 1542 | template <class _Arg> |
| 1543 | false_type |
| 1544 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 1545 | __is_assignable_test(__any, _Arg&&); |
| 1546 | #else |
| 1547 | __is_assignable_test(__any, _Arg&); |
| 1548 | #endif |
| 1549 | |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 1550 | template <class _Tp, class _Arg, bool = is_void<_Tp>::value || is_void<_Arg>::value> |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1551 | struct __is_assignable_imp |
| 1552 | : public common_type |
| 1553 | < |
Marshall Clow | 3a4964a | 2015-04-14 13:53:53 +0000 | [diff] [blame] | 1554 | decltype(_VSTD::__is_assignable_test(declval<_Tp>(), declval<_Arg>())) |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1555 | >::type {}; |
| 1556 | |
| 1557 | template <class _Tp, class _Arg> |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 1558 | struct __is_assignable_imp<_Tp, _Arg, true> |
| 1559 | : public false_type |
| 1560 | { |
| 1561 | }; |
| 1562 | |
| 1563 | template <class _Tp, class _Arg> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 1564 | struct is_assignable |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1565 | : public __is_assignable_imp<_Tp, _Arg> {}; |
| 1566 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 1567 | // is_copy_assignable |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1568 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1569 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_copy_assignable |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 1570 | : public is_assignable<typename add_lvalue_reference<_Tp>::type, |
Marshall Clow | d132bf4 | 2014-09-22 23:58:00 +0000 | [diff] [blame] | 1571 | typename add_lvalue_reference<typename add_const<_Tp>::type>::type> {}; |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1572 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 1573 | // is_move_assignable |
| 1574 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 1575 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_move_assignable |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 1576 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 1577 | : public is_assignable<typename add_lvalue_reference<_Tp>::type, |
| 1578 | const typename add_rvalue_reference<_Tp>::type> {}; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 1579 | #else |
| 1580 | : public is_copy_assignable<_Tp> {}; |
| 1581 | #endif |
| 1582 | |
| 1583 | // is_destructible |
| 1584 | |
Marshall Clow | 38d9005 | 2014-10-18 11:03:33 +0000 | [diff] [blame] | 1585 | // if it's a reference, return true |
| 1586 | // if it's a function, return false |
| 1587 | // if it's void, return false |
| 1588 | // if it's an array of unknown bound, return false |
| 1589 | // Otherwise, return "std::declval<_Up&>().~_Up()" is well-formed |
Marshall Clow | 2b44e3d | 2014-07-16 15:51:50 +0000 | [diff] [blame] | 1590 | // where _Up is remove_all_extents<_Tp>::type |
| 1591 | |
Eric Fiselier | 6f8821d | 2014-07-31 19:09:26 +0000 | [diff] [blame] | 1592 | template <class> |
| 1593 | struct __is_destructible_apply { typedef int type; }; |
| 1594 | |
Marshall Clow | 2b44e3d | 2014-07-16 15:51:50 +0000 | [diff] [blame] | 1595 | template <typename _Tp> |
| 1596 | struct __is_destructor_wellformed { |
Marshall Clow | 38d9005 | 2014-10-18 11:03:33 +0000 | [diff] [blame] | 1597 | template <typename _Tp1> |
| 1598 | static char __test ( |
Eric Fiselier | 6f8821d | 2014-07-31 19:09:26 +0000 | [diff] [blame] | 1599 | typename __is_destructible_apply<decltype(_VSTD::declval<_Tp1&>().~_Tp1())>::type |
| 1600 | ); |
Marshall Clow | 2b44e3d | 2014-07-16 15:51:50 +0000 | [diff] [blame] | 1601 | |
Marshall Clow | 38d9005 | 2014-10-18 11:03:33 +0000 | [diff] [blame] | 1602 | template <typename _Tp1> |
| 1603 | static __two __test (...); |
| 1604 | |
| 1605 | static const bool value = sizeof(__test<_Tp>(12)) == sizeof(char); |
Eric Fiselier | 6f8821d | 2014-07-31 19:09:26 +0000 | [diff] [blame] | 1606 | }; |
Marshall Clow | 2b44e3d | 2014-07-16 15:51:50 +0000 | [diff] [blame] | 1607 | |
| 1608 | template <class _Tp, bool> |
| 1609 | struct __destructible_imp; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 1610 | |
| 1611 | template <class _Tp> |
Marshall Clow | 2b44e3d | 2014-07-16 15:51:50 +0000 | [diff] [blame] | 1612 | struct __destructible_imp<_Tp, false> |
| 1613 | : public _VSTD::integral_constant<bool, |
| 1614 | __is_destructor_wellformed<typename _VSTD::remove_all_extents<_Tp>::type>::value> {}; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 1615 | |
| 1616 | template <class _Tp> |
| 1617 | struct __destructible_imp<_Tp, true> |
Marshall Clow | 2b44e3d | 2014-07-16 15:51:50 +0000 | [diff] [blame] | 1618 | : public _VSTD::true_type {}; |
| 1619 | |
| 1620 | template <class _Tp, bool> |
| 1621 | struct __destructible_false; |
| 1622 | |
| 1623 | template <class _Tp> |
| 1624 | struct __destructible_false<_Tp, false> : public __destructible_imp<_Tp, _VSTD::is_reference<_Tp>::value> {}; |
| 1625 | |
| 1626 | template <class _Tp> |
| 1627 | struct __destructible_false<_Tp, true> : public _VSTD::false_type {}; |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1628 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 1629 | template <class _Tp> |
| 1630 | struct is_destructible |
Marshall Clow | 2b44e3d | 2014-07-16 15:51:50 +0000 | [diff] [blame] | 1631 | : public __destructible_false<_Tp, _VSTD::is_function<_Tp>::value> {}; |
Howard Hinnant | 745d473 | 2010-09-08 17:55:32 +0000 | [diff] [blame] | 1632 | |
Howard Hinnant | 80e19ac | 2013-08-09 16:53:45 +0000 | [diff] [blame] | 1633 | template <class _Tp> |
| 1634 | struct is_destructible<_Tp[]> |
Marshall Clow | 2b44e3d | 2014-07-16 15:51:50 +0000 | [diff] [blame] | 1635 | : public _VSTD::false_type {}; |
| 1636 | |
| 1637 | template <> |
| 1638 | struct is_destructible<void> |
| 1639 | : public _VSTD::false_type {}; |
Howard Hinnant | 80e19ac | 2013-08-09 16:53:45 +0000 | [diff] [blame] | 1640 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1641 | // move |
| 1642 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1643 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1644 | |
| 1645 | template <class _Tp> |
Marshall Clow | 01a0e90 | 2013-07-15 20:46:11 +0000 | [diff] [blame] | 1646 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1647 | typename remove_reference<_Tp>::type&& |
Howard Hinnant | e9b2c2d | 2011-05-27 15:04:19 +0000 | [diff] [blame] | 1648 | move(_Tp&& __t) _NOEXCEPT |
Howard Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 1649 | { |
Howard Hinnant | 726a76f | 2010-11-16 21:10:23 +0000 | [diff] [blame] | 1650 | typedef typename remove_reference<_Tp>::type _Up; |
| 1651 | return static_cast<_Up&&>(__t); |
Howard Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 1652 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1653 | |
Howard Hinnant | d2a9251 | 2010-09-13 01:43:27 +0000 | [diff] [blame] | 1654 | template <class _Tp> |
Marshall Clow | 01a0e90 | 2013-07-15 20:46:11 +0000 | [diff] [blame] | 1655 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | d2a9251 | 2010-09-13 01:43:27 +0000 | [diff] [blame] | 1656 | _Tp&& |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 1657 | forward(typename std::remove_reference<_Tp>::type& __t) _NOEXCEPT |
Howard Hinnant | d2a9251 | 2010-09-13 01:43:27 +0000 | [diff] [blame] | 1658 | { |
| 1659 | return static_cast<_Tp&&>(__t); |
| 1660 | } |
| 1661 | |
| 1662 | template <class _Tp> |
Marshall Clow | 01a0e90 | 2013-07-15 20:46:11 +0000 | [diff] [blame] | 1663 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | d2a9251 | 2010-09-13 01:43:27 +0000 | [diff] [blame] | 1664 | _Tp&& |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 1665 | forward(typename std::remove_reference<_Tp>::type&& __t) _NOEXCEPT |
Howard Hinnant | d2a9251 | 2010-09-13 01:43:27 +0000 | [diff] [blame] | 1666 | { |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 1667 | static_assert(!std::is_lvalue_reference<_Tp>::value, |
Howard Hinnant | 8db4aca | 2011-10-17 20:08:59 +0000 | [diff] [blame] | 1668 | "Can not forward an rvalue as an lvalue."); |
| 1669 | return static_cast<_Tp&&>(__t); |
Howard Hinnant | d2a9251 | 2010-09-13 01:43:27 +0000 | [diff] [blame] | 1670 | } |
| 1671 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1672 | #else // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1673 | |
Howard Hinnant | d8bc09b | 2010-05-18 17:32:30 +0000 | [diff] [blame] | 1674 | template <class _Tp> |
Howard Hinnant | 87073e4 | 2012-05-01 15:37:54 +0000 | [diff] [blame] | 1675 | inline _LIBCPP_INLINE_VISIBILITY |
| 1676 | _Tp& |
| 1677 | move(_Tp& __t) |
| 1678 | { |
| 1679 | return __t; |
| 1680 | } |
| 1681 | |
| 1682 | template <class _Tp> |
| 1683 | inline _LIBCPP_INLINE_VISIBILITY |
| 1684 | const _Tp& |
| 1685 | move(const _Tp& __t) |
| 1686 | { |
| 1687 | return __t; |
| 1688 | } |
| 1689 | |
| 1690 | template <class _Tp> |
| 1691 | inline _LIBCPP_INLINE_VISIBILITY |
| 1692 | _Tp& |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 1693 | forward(typename std::remove_reference<_Tp>::type& __t) _NOEXCEPT |
Howard Hinnant | 87073e4 | 2012-05-01 15:37:54 +0000 | [diff] [blame] | 1694 | { |
| 1695 | return __t; |
| 1696 | } |
| 1697 | |
| 1698 | |
| 1699 | template <class _Tp> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1700 | class __rv |
| 1701 | { |
Howard Hinnant | d8bc09b | 2010-05-18 17:32:30 +0000 | [diff] [blame] | 1702 | typedef typename remove_reference<_Tp>::type _Trr; |
| 1703 | _Trr& t_; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1704 | public: |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 1705 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | d8bc09b | 2010-05-18 17:32:30 +0000 | [diff] [blame] | 1706 | _Trr* operator->() {return &t_;} |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 1707 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | d8bc09b | 2010-05-18 17:32:30 +0000 | [diff] [blame] | 1708 | explicit __rv(_Trr& __t) : t_(__t) {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1709 | }; |
| 1710 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 1711 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1712 | |
Howard Hinnant | d4b9578 | 2011-06-19 19:12:59 +0000 | [diff] [blame] | 1713 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 1714 | |
Howard Hinnant | 656bdc3 | 2011-05-16 18:40:35 +0000 | [diff] [blame] | 1715 | template <class _Tp> |
| 1716 | inline _LIBCPP_INLINE_VISIBILITY |
| 1717 | typename decay<_Tp>::type |
| 1718 | __decay_copy(_Tp&& __t) |
| 1719 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1720 | return _VSTD::forward<_Tp>(__t); |
Howard Hinnant | 656bdc3 | 2011-05-16 18:40:35 +0000 | [diff] [blame] | 1721 | } |
| 1722 | |
Howard Hinnant | d4b9578 | 2011-06-19 19:12:59 +0000 | [diff] [blame] | 1723 | #else |
| 1724 | |
| 1725 | template <class _Tp> |
| 1726 | inline _LIBCPP_INLINE_VISIBILITY |
| 1727 | typename decay<_Tp>::type |
| 1728 | __decay_copy(const _Tp& __t) |
| 1729 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1730 | return _VSTD::forward<_Tp>(__t); |
Howard Hinnant | d4b9578 | 2011-06-19 19:12:59 +0000 | [diff] [blame] | 1731 | } |
| 1732 | |
| 1733 | #endif |
| 1734 | |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1735 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
| 1736 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1737 | template <class _Rp, class _Class, class ..._Param> |
| 1738 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...), true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1739 | { |
| 1740 | typedef _Class _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1741 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1742 | typedef _Rp (_FnType) (_Param...); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1743 | }; |
| 1744 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1745 | template <class _Rp, class _Class, class ..._Param> |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1746 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...), true, false> |
| 1747 | { |
| 1748 | typedef _Class _ClassType; |
| 1749 | typedef _Rp _ReturnType; |
| 1750 | typedef _Rp (_FnType) (_Param..., ...); |
| 1751 | }; |
| 1752 | |
| 1753 | template <class _Rp, class _Class, class ..._Param> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1754 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) const, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1755 | { |
| 1756 | typedef _Class const _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1757 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1758 | typedef _Rp (_FnType) (_Param...); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1759 | }; |
| 1760 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1761 | template <class _Rp, class _Class, class ..._Param> |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1762 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) const, true, false> |
| 1763 | { |
| 1764 | typedef _Class const _ClassType; |
| 1765 | typedef _Rp _ReturnType; |
| 1766 | typedef _Rp (_FnType) (_Param..., ...); |
| 1767 | }; |
| 1768 | |
| 1769 | template <class _Rp, class _Class, class ..._Param> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1770 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) volatile, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1771 | { |
| 1772 | typedef _Class volatile _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1773 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1774 | typedef _Rp (_FnType) (_Param...); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1775 | }; |
| 1776 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1777 | template <class _Rp, class _Class, class ..._Param> |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1778 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) volatile, true, false> |
| 1779 | { |
| 1780 | typedef _Class volatile _ClassType; |
| 1781 | typedef _Rp _ReturnType; |
| 1782 | typedef _Rp (_FnType) (_Param..., ...); |
| 1783 | }; |
| 1784 | |
| 1785 | template <class _Rp, class _Class, class ..._Param> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1786 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) const volatile, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1787 | { |
| 1788 | typedef _Class const volatile _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1789 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1790 | typedef _Rp (_FnType) (_Param...); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1791 | }; |
| 1792 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1793 | template <class _Rp, class _Class, class ..._Param> |
| 1794 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) const volatile, true, false> |
| 1795 | { |
| 1796 | typedef _Class const volatile _ClassType; |
| 1797 | typedef _Rp _ReturnType; |
| 1798 | typedef _Rp (_FnType) (_Param..., ...); |
| 1799 | }; |
| 1800 | |
Eric Fiselier | eeeada1 | 2015-06-13 02:18:44 +0000 | [diff] [blame] | 1801 | #if __has_feature(cxx_reference_qualified_functions) || \ |
| 1802 | (defined(_GNUC_VER) && _GNUC_VER >= 409) |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1803 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1804 | template <class _Rp, class _Class, class ..._Param> |
| 1805 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) &, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1806 | { |
| 1807 | typedef _Class& _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1808 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1809 | typedef _Rp (_FnType) (_Param...); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1810 | }; |
| 1811 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1812 | template <class _Rp, class _Class, class ..._Param> |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1813 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) &, true, false> |
| 1814 | { |
| 1815 | typedef _Class& _ClassType; |
| 1816 | typedef _Rp _ReturnType; |
| 1817 | typedef _Rp (_FnType) (_Param..., ...); |
| 1818 | }; |
| 1819 | |
| 1820 | template <class _Rp, class _Class, class ..._Param> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1821 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) const&, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1822 | { |
| 1823 | typedef _Class const& _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1824 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1825 | typedef _Rp (_FnType) (_Param...); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1826 | }; |
| 1827 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1828 | template <class _Rp, class _Class, class ..._Param> |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1829 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) const&, true, false> |
| 1830 | { |
| 1831 | typedef _Class const& _ClassType; |
| 1832 | typedef _Rp _ReturnType; |
| 1833 | typedef _Rp (_FnType) (_Param..., ...); |
| 1834 | }; |
| 1835 | |
| 1836 | template <class _Rp, class _Class, class ..._Param> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1837 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) volatile&, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1838 | { |
| 1839 | typedef _Class volatile& _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1840 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1841 | typedef _Rp (_FnType) (_Param...); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1842 | }; |
| 1843 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1844 | template <class _Rp, class _Class, class ..._Param> |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1845 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) volatile&, true, false> |
| 1846 | { |
| 1847 | typedef _Class volatile& _ClassType; |
| 1848 | typedef _Rp _ReturnType; |
| 1849 | typedef _Rp (_FnType) (_Param..., ...); |
| 1850 | }; |
| 1851 | |
| 1852 | template <class _Rp, class _Class, class ..._Param> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1853 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) const volatile&, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1854 | { |
| 1855 | typedef _Class const volatile& _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1856 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1857 | typedef _Rp (_FnType) (_Param...); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1858 | }; |
| 1859 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1860 | template <class _Rp, class _Class, class ..._Param> |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1861 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) const volatile&, true, false> |
| 1862 | { |
| 1863 | typedef _Class const volatile& _ClassType; |
| 1864 | typedef _Rp _ReturnType; |
| 1865 | typedef _Rp (_FnType) (_Param..., ...); |
| 1866 | }; |
| 1867 | |
| 1868 | template <class _Rp, class _Class, class ..._Param> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1869 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) &&, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1870 | { |
| 1871 | typedef _Class&& _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1872 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1873 | typedef _Rp (_FnType) (_Param...); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1874 | }; |
| 1875 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1876 | template <class _Rp, class _Class, class ..._Param> |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1877 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) &&, true, false> |
| 1878 | { |
| 1879 | typedef _Class&& _ClassType; |
| 1880 | typedef _Rp _ReturnType; |
| 1881 | typedef _Rp (_FnType) (_Param..., ...); |
| 1882 | }; |
| 1883 | |
| 1884 | template <class _Rp, class _Class, class ..._Param> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1885 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) const&&, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1886 | { |
| 1887 | typedef _Class const&& _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1888 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1889 | typedef _Rp (_FnType) (_Param...); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1890 | }; |
| 1891 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1892 | template <class _Rp, class _Class, class ..._Param> |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1893 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) const&&, true, false> |
| 1894 | { |
| 1895 | typedef _Class const&& _ClassType; |
| 1896 | typedef _Rp _ReturnType; |
| 1897 | typedef _Rp (_FnType) (_Param..., ...); |
| 1898 | }; |
| 1899 | |
| 1900 | template <class _Rp, class _Class, class ..._Param> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1901 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) volatile&&, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1902 | { |
| 1903 | typedef _Class volatile&& _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1904 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1905 | typedef _Rp (_FnType) (_Param...); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1906 | }; |
| 1907 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1908 | template <class _Rp, class _Class, class ..._Param> |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1909 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) volatile&&, true, false> |
| 1910 | { |
| 1911 | typedef _Class volatile&& _ClassType; |
| 1912 | typedef _Rp _ReturnType; |
| 1913 | typedef _Rp (_FnType) (_Param..., ...); |
| 1914 | }; |
| 1915 | |
| 1916 | template <class _Rp, class _Class, class ..._Param> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1917 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) const volatile&&, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1918 | { |
| 1919 | typedef _Class const volatile&& _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1920 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1921 | typedef _Rp (_FnType) (_Param...); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1922 | }; |
| 1923 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1924 | template <class _Rp, class _Class, class ..._Param> |
| 1925 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) const volatile&&, true, false> |
| 1926 | { |
| 1927 | typedef _Class const volatile&& _ClassType; |
| 1928 | typedef _Rp _ReturnType; |
| 1929 | typedef _Rp (_FnType) (_Param..., ...); |
| 1930 | }; |
| 1931 | |
Eric Fiselier | eeeada1 | 2015-06-13 02:18:44 +0000 | [diff] [blame] | 1932 | #endif // __has_feature(cxx_reference_qualified_functions) || _GNUC_VER >= 409 |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1933 | |
| 1934 | #else // _LIBCPP_HAS_NO_VARIADICS |
| 1935 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1936 | template <class _Rp, class _Class> |
| 1937 | struct __member_pointer_traits_imp<_Rp (_Class::*)(), true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1938 | { |
| 1939 | typedef _Class _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1940 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1941 | typedef _Rp (_FnType) (); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1942 | }; |
| 1943 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1944 | template <class _Rp, class _Class> |
| 1945 | struct __member_pointer_traits_imp<_Rp (_Class::*)(...), true, false> |
| 1946 | { |
| 1947 | typedef _Class _ClassType; |
| 1948 | typedef _Rp _ReturnType; |
| 1949 | typedef _Rp (_FnType) (...); |
| 1950 | }; |
| 1951 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1952 | template <class _Rp, class _Class, class _P0> |
| 1953 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0), true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1954 | { |
| 1955 | typedef _Class _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1956 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1957 | typedef _Rp (_FnType) (_P0); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1958 | }; |
| 1959 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1960 | template <class _Rp, class _Class, class _P0> |
| 1961 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, ...), true, false> |
| 1962 | { |
| 1963 | typedef _Class _ClassType; |
| 1964 | typedef _Rp _ReturnType; |
| 1965 | typedef _Rp (_FnType) (_P0, ...); |
| 1966 | }; |
| 1967 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1968 | template <class _Rp, class _Class, class _P0, class _P1> |
| 1969 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1), true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1970 | { |
| 1971 | typedef _Class _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1972 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1973 | typedef _Rp (_FnType) (_P0, _P1); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1974 | }; |
| 1975 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1976 | template <class _Rp, class _Class, class _P0, class _P1> |
| 1977 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, ...), true, false> |
| 1978 | { |
| 1979 | typedef _Class _ClassType; |
| 1980 | typedef _Rp _ReturnType; |
| 1981 | typedef _Rp (_FnType) (_P0, _P1, ...); |
| 1982 | }; |
| 1983 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1984 | template <class _Rp, class _Class, class _P0, class _P1, class _P2> |
| 1985 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, _P2), true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1986 | { |
| 1987 | typedef _Class _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1988 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 1989 | typedef _Rp (_FnType) (_P0, _P1, _P2); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 1990 | }; |
| 1991 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 1992 | template <class _Rp, class _Class, class _P0, class _P1, class _P2> |
| 1993 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, _P2, ...), true, false> |
| 1994 | { |
| 1995 | typedef _Class _ClassType; |
| 1996 | typedef _Rp _ReturnType; |
| 1997 | typedef _Rp (_FnType) (_P0, _P1, _P2, ...); |
| 1998 | }; |
| 1999 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2000 | template <class _Rp, class _Class> |
| 2001 | struct __member_pointer_traits_imp<_Rp (_Class::*)() const, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2002 | { |
| 2003 | typedef _Class const _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2004 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2005 | typedef _Rp (_FnType) (); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2006 | }; |
| 2007 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 2008 | template <class _Rp, class _Class> |
| 2009 | struct __member_pointer_traits_imp<_Rp (_Class::*)(...) const, true, false> |
| 2010 | { |
| 2011 | typedef _Class const _ClassType; |
| 2012 | typedef _Rp _ReturnType; |
| 2013 | typedef _Rp (_FnType) (...); |
| 2014 | }; |
| 2015 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2016 | template <class _Rp, class _Class, class _P0> |
| 2017 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0) const, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2018 | { |
| 2019 | typedef _Class const _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2020 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2021 | typedef _Rp (_FnType) (_P0); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2022 | }; |
| 2023 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 2024 | template <class _Rp, class _Class, class _P0> |
| 2025 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, ...) const, true, false> |
| 2026 | { |
| 2027 | typedef _Class const _ClassType; |
| 2028 | typedef _Rp _ReturnType; |
| 2029 | typedef _Rp (_FnType) (_P0, ...); |
| 2030 | }; |
| 2031 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2032 | template <class _Rp, class _Class, class _P0, class _P1> |
| 2033 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1) const, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2034 | { |
| 2035 | typedef _Class const _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2036 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2037 | typedef _Rp (_FnType) (_P0, _P1); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2038 | }; |
| 2039 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 2040 | template <class _Rp, class _Class, class _P0, class _P1> |
| 2041 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, ...) const, true, false> |
| 2042 | { |
| 2043 | typedef _Class const _ClassType; |
| 2044 | typedef _Rp _ReturnType; |
| 2045 | typedef _Rp (_FnType) (_P0, _P1, ...); |
| 2046 | }; |
| 2047 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2048 | template <class _Rp, class _Class, class _P0, class _P1, class _P2> |
| 2049 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, _P2) const, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2050 | { |
| 2051 | typedef _Class const _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2052 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2053 | typedef _Rp (_FnType) (_P0, _P1, _P2); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2054 | }; |
| 2055 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 2056 | template <class _Rp, class _Class, class _P0, class _P1, class _P2> |
| 2057 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, _P2, ...) const, true, false> |
| 2058 | { |
| 2059 | typedef _Class const _ClassType; |
| 2060 | typedef _Rp _ReturnType; |
| 2061 | typedef _Rp (_FnType) (_P0, _P1, _P2, ...); |
| 2062 | }; |
| 2063 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2064 | template <class _Rp, class _Class> |
| 2065 | struct __member_pointer_traits_imp<_Rp (_Class::*)() volatile, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2066 | { |
| 2067 | typedef _Class volatile _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2068 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2069 | typedef _Rp (_FnType) (); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2070 | }; |
| 2071 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 2072 | template <class _Rp, class _Class> |
| 2073 | struct __member_pointer_traits_imp<_Rp (_Class::*)(...) volatile, true, false> |
| 2074 | { |
| 2075 | typedef _Class volatile _ClassType; |
| 2076 | typedef _Rp _ReturnType; |
| 2077 | typedef _Rp (_FnType) (...); |
| 2078 | }; |
| 2079 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2080 | template <class _Rp, class _Class, class _P0> |
| 2081 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0) volatile, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2082 | { |
| 2083 | typedef _Class volatile _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2084 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2085 | typedef _Rp (_FnType) (_P0); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2086 | }; |
| 2087 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 2088 | template <class _Rp, class _Class, class _P0> |
| 2089 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, ...) volatile, true, false> |
| 2090 | { |
| 2091 | typedef _Class volatile _ClassType; |
| 2092 | typedef _Rp _ReturnType; |
| 2093 | typedef _Rp (_FnType) (_P0, ...); |
| 2094 | }; |
| 2095 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2096 | template <class _Rp, class _Class, class _P0, class _P1> |
| 2097 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1) volatile, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2098 | { |
| 2099 | typedef _Class volatile _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2100 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2101 | typedef _Rp (_FnType) (_P0, _P1); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2102 | }; |
| 2103 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 2104 | template <class _Rp, class _Class, class _P0, class _P1> |
| 2105 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, ...) volatile, true, false> |
| 2106 | { |
| 2107 | typedef _Class volatile _ClassType; |
| 2108 | typedef _Rp _ReturnType; |
| 2109 | typedef _Rp (_FnType) (_P0, _P1, ...); |
| 2110 | }; |
| 2111 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2112 | template <class _Rp, class _Class, class _P0, class _P1, class _P2> |
| 2113 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, _P2) volatile, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2114 | { |
| 2115 | typedef _Class volatile _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2116 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2117 | typedef _Rp (_FnType) (_P0, _P1, _P2); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2118 | }; |
| 2119 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 2120 | template <class _Rp, class _Class, class _P0, class _P1, class _P2> |
| 2121 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, _P2, ...) volatile, true, false> |
| 2122 | { |
| 2123 | typedef _Class volatile _ClassType; |
| 2124 | typedef _Rp _ReturnType; |
| 2125 | typedef _Rp (_FnType) (_P0, _P1, _P2, ...); |
| 2126 | }; |
| 2127 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2128 | template <class _Rp, class _Class> |
| 2129 | struct __member_pointer_traits_imp<_Rp (_Class::*)() const volatile, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2130 | { |
| 2131 | typedef _Class const volatile _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2132 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2133 | typedef _Rp (_FnType) (); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2134 | }; |
| 2135 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 2136 | template <class _Rp, class _Class> |
| 2137 | struct __member_pointer_traits_imp<_Rp (_Class::*)(...) const volatile, true, false> |
| 2138 | { |
| 2139 | typedef _Class const volatile _ClassType; |
| 2140 | typedef _Rp _ReturnType; |
| 2141 | typedef _Rp (_FnType) (...); |
| 2142 | }; |
| 2143 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2144 | template <class _Rp, class _Class, class _P0> |
| 2145 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0) const volatile, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2146 | { |
| 2147 | typedef _Class const volatile _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2148 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2149 | typedef _Rp (_FnType) (_P0); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2150 | }; |
| 2151 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 2152 | template <class _Rp, class _Class, class _P0> |
| 2153 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, ...) const volatile, true, false> |
| 2154 | { |
| 2155 | typedef _Class const volatile _ClassType; |
| 2156 | typedef _Rp _ReturnType; |
| 2157 | typedef _Rp (_FnType) (_P0, ...); |
| 2158 | }; |
| 2159 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2160 | template <class _Rp, class _Class, class _P0, class _P1> |
| 2161 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1) const volatile, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2162 | { |
| 2163 | typedef _Class const volatile _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2164 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2165 | typedef _Rp (_FnType) (_P0, _P1); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2166 | }; |
| 2167 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 2168 | template <class _Rp, class _Class, class _P0, class _P1> |
| 2169 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, ...) const volatile, true, false> |
| 2170 | { |
| 2171 | typedef _Class const volatile _ClassType; |
| 2172 | typedef _Rp _ReturnType; |
| 2173 | typedef _Rp (_FnType) (_P0, _P1, ...); |
| 2174 | }; |
| 2175 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2176 | template <class _Rp, class _Class, class _P0, class _P1, class _P2> |
| 2177 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, _P2) const volatile, true, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2178 | { |
| 2179 | typedef _Class const volatile _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2180 | typedef _Rp _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2181 | typedef _Rp (_FnType) (_P0, _P1, _P2); |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2182 | }; |
| 2183 | |
Eric Fiselier | 63648cf | 2014-08-19 16:31:47 +0000 | [diff] [blame] | 2184 | template <class _Rp, class _Class, class _P0, class _P1, class _P2> |
| 2185 | struct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, _P2, ...) const volatile, true, false> |
| 2186 | { |
| 2187 | typedef _Class const volatile _ClassType; |
| 2188 | typedef _Rp _ReturnType; |
| 2189 | typedef _Rp (_FnType) (_P0, _P1, _P2, ...); |
| 2190 | }; |
| 2191 | |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2192 | #endif // _LIBCPP_HAS_NO_VARIADICS |
| 2193 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2194 | template <class _Rp, class _Class> |
| 2195 | struct __member_pointer_traits_imp<_Rp _Class::*, false, true> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2196 | { |
| 2197 | typedef _Class _ClassType; |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2198 | typedef _Rp _ReturnType; |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2199 | }; |
| 2200 | |
| 2201 | template <class _MP> |
| 2202 | struct __member_pointer_traits |
Howard Hinnant | 6287c65 | 2013-05-15 21:49:27 +0000 | [diff] [blame] | 2203 | : public __member_pointer_traits_imp<typename remove_cv<_MP>::type, |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2204 | is_member_function_pointer<_MP>::value, |
| 2205 | is_member_object_pointer<_MP>::value> |
| 2206 | { |
| 2207 | // typedef ... _ClassType; |
| 2208 | // typedef ... _ReturnType; |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2209 | // typedef ... _FnType; |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2210 | }; |
| 2211 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2212 | // result_of |
| 2213 | |
Howard Hinnant | 2b1b2d4 | 2011-06-14 19:58:17 +0000 | [diff] [blame] | 2214 | template <class _Callable> class result_of; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2215 | |
Howard Hinnant | 2d62229 | 2012-06-26 17:37:15 +0000 | [diff] [blame] | 2216 | #ifdef _LIBCPP_HAS_NO_VARIADICS |
| 2217 | |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2218 | template <class _Fn, bool, bool> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2219 | class __result_of |
| 2220 | { |
| 2221 | }; |
| 2222 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2223 | template <class _Fn> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2224 | class __result_of<_Fn(), true, false> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2225 | { |
| 2226 | public: |
| 2227 | typedef decltype(declval<_Fn>()()) type; |
| 2228 | }; |
| 2229 | |
| 2230 | template <class _Fn, class _A0> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2231 | class __result_of<_Fn(_A0), true, false> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2232 | { |
| 2233 | public: |
| 2234 | typedef decltype(declval<_Fn>()(declval<_A0>())) type; |
| 2235 | }; |
| 2236 | |
| 2237 | template <class _Fn, class _A0, class _A1> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2238 | class __result_of<_Fn(_A0, _A1), true, false> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2239 | { |
| 2240 | public: |
| 2241 | typedef decltype(declval<_Fn>()(declval<_A0>(), declval<_A1>())) type; |
| 2242 | }; |
| 2243 | |
| 2244 | template <class _Fn, class _A0, class _A1, class _A2> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2245 | class __result_of<_Fn(_A0, _A1, _A2), true, false> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2246 | { |
| 2247 | public: |
| 2248 | typedef decltype(declval<_Fn>()(declval<_A0>(), declval<_A1>(), declval<_A2>())) type; |
| 2249 | }; |
| 2250 | |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2251 | template <class _MP, class _Tp, bool _IsMemberFunctionPtr> |
| 2252 | struct __result_of_mp; |
| 2253 | |
| 2254 | // member function pointer |
| 2255 | |
| 2256 | template <class _MP, class _Tp> |
| 2257 | struct __result_of_mp<_MP, _Tp, true> |
Eric Fiselier | 4983580 | 2015-06-13 08:25:24 +0000 | [diff] [blame] | 2258 | : public __identity<typename __member_pointer_traits<_MP>::_ReturnType> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2259 | { |
| 2260 | }; |
| 2261 | |
| 2262 | // member data pointer |
| 2263 | |
| 2264 | template <class _MP, class _Tp, bool> |
| 2265 | struct __result_of_mdp; |
| 2266 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2267 | template <class _Rp, class _Class, class _Tp> |
| 2268 | struct __result_of_mdp<_Rp _Class::*, _Tp, false> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2269 | { |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2270 | typedef typename __apply_cv<decltype(*_VSTD::declval<_Tp>()), _Rp>::type& type; |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2271 | }; |
| 2272 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2273 | template <class _Rp, class _Class, class _Tp> |
| 2274 | struct __result_of_mdp<_Rp _Class::*, _Tp, true> |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2275 | { |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2276 | typedef typename __apply_cv<_Tp, _Rp>::type& type; |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2277 | }; |
| 2278 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2279 | template <class _Rp, class _Class, class _Tp> |
| 2280 | struct __result_of_mp<_Rp _Class::*, _Tp, false> |
| 2281 | : public __result_of_mdp<_Rp _Class::*, _Tp, |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2282 | is_base_of<_Class, typename remove_reference<_Tp>::type>::value> |
| 2283 | { |
| 2284 | }; |
| 2285 | |
| 2286 | |
| 2287 | |
| 2288 | template <class _Fn, class _Tp> |
| 2289 | class __result_of<_Fn(_Tp), false, true> // _Fn must be member pointer |
| 2290 | : public __result_of_mp<typename remove_reference<_Fn>::type, |
| 2291 | _Tp, |
| 2292 | is_member_function_pointer<typename remove_reference<_Fn>::type>::value> |
| 2293 | { |
| 2294 | }; |
| 2295 | |
| 2296 | template <class _Fn, class _Tp, class _A0> |
| 2297 | class __result_of<_Fn(_Tp, _A0), false, true> // _Fn must be member pointer |
| 2298 | : public __result_of_mp<typename remove_reference<_Fn>::type, |
| 2299 | _Tp, |
| 2300 | is_member_function_pointer<typename remove_reference<_Fn>::type>::value> |
| 2301 | { |
| 2302 | }; |
| 2303 | |
| 2304 | template <class _Fn, class _Tp, class _A0, class _A1> |
| 2305 | class __result_of<_Fn(_Tp, _A0, _A1), false, true> // _Fn must be member pointer |
| 2306 | : public __result_of_mp<typename remove_reference<_Fn>::type, |
| 2307 | _Tp, |
| 2308 | is_member_function_pointer<typename remove_reference<_Fn>::type>::value> |
| 2309 | { |
| 2310 | }; |
| 2311 | |
| 2312 | template <class _Fn, class _Tp, class _A0, class _A1, class _A2> |
| 2313 | class __result_of<_Fn(_Tp, _A0, _A1, _A2), false, true> // _Fn must be member pointer |
| 2314 | : public __result_of_mp<typename remove_reference<_Fn>::type, |
| 2315 | _Tp, |
| 2316 | is_member_function_pointer<typename remove_reference<_Fn>::type>::value> |
| 2317 | { |
| 2318 | }; |
| 2319 | |
| 2320 | // result_of |
| 2321 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2322 | template <class _Fn> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2323 | class _LIBCPP_TYPE_VIS_ONLY result_of<_Fn()> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2324 | : public __result_of<_Fn(), |
| 2325 | is_class<typename remove_reference<_Fn>::type>::value || |
Eric Fiselier | 4983580 | 2015-06-13 08:25:24 +0000 | [diff] [blame] | 2326 | is_function<typename remove_pointer<typename remove_reference<_Fn>::type>::type>::value, |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2327 | is_member_pointer<typename remove_reference<_Fn>::type>::value |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2328 | > |
| 2329 | { |
| 2330 | }; |
| 2331 | |
| 2332 | template <class _Fn, class _A0> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2333 | class _LIBCPP_TYPE_VIS_ONLY result_of<_Fn(_A0)> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2334 | : public __result_of<_Fn(_A0), |
| 2335 | is_class<typename remove_reference<_Fn>::type>::value || |
Eric Fiselier | 4983580 | 2015-06-13 08:25:24 +0000 | [diff] [blame] | 2336 | is_function<typename remove_pointer<typename remove_reference<_Fn>::type>::type>::value, |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2337 | is_member_pointer<typename remove_reference<_Fn>::type>::value |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2338 | > |
| 2339 | { |
| 2340 | }; |
| 2341 | |
| 2342 | template <class _Fn, class _A0, class _A1> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2343 | class _LIBCPP_TYPE_VIS_ONLY result_of<_Fn(_A0, _A1)> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2344 | : public __result_of<_Fn(_A0, _A1), |
| 2345 | is_class<typename remove_reference<_Fn>::type>::value || |
Eric Fiselier | 4983580 | 2015-06-13 08:25:24 +0000 | [diff] [blame] | 2346 | is_function<typename remove_pointer<typename remove_reference<_Fn>::type>::type>::value, |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2347 | is_member_pointer<typename remove_reference<_Fn>::type>::value |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2348 | > |
| 2349 | { |
| 2350 | }; |
| 2351 | |
| 2352 | template <class _Fn, class _A0, class _A1, class _A2> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2353 | class _LIBCPP_TYPE_VIS_ONLY result_of<_Fn(_A0, _A1, _A2)> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2354 | : public __result_of<_Fn(_A0, _A1, _A2), |
| 2355 | is_class<typename remove_reference<_Fn>::type>::value || |
Eric Fiselier | 4983580 | 2015-06-13 08:25:24 +0000 | [diff] [blame] | 2356 | is_function<typename remove_pointer<typename remove_reference<_Fn>::type>::type>::value, |
Howard Hinnant | 37c53b6 | 2011-05-16 16:17:21 +0000 | [diff] [blame] | 2357 | is_member_pointer<typename remove_reference<_Fn>::type>::value |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2358 | > |
| 2359 | { |
| 2360 | }; |
| 2361 | |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 2362 | #endif // _LIBCPP_HAS_NO_VARIADICS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2363 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2364 | // template <class T, class... Args> struct is_constructible; |
| 2365 | |
Marshall Clow | 067e91d | 2014-04-21 22:30:32 +0000 | [diff] [blame] | 2366 | namespace __is_construct |
| 2367 | { |
| 2368 | struct __nat {}; |
| 2369 | } |
| 2370 | |
| 2371 | #if __has_feature(is_constructible) |
| 2372 | |
| 2373 | template <class _Tp, class ..._Args> |
| 2374 | struct _LIBCPP_TYPE_VIS_ONLY is_constructible |
| 2375 | : public integral_constant<bool, __is_constructible(_Tp, _Args...)> |
| 2376 | {}; |
| 2377 | |
| 2378 | #else |
| 2379 | |
| 2380 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
| 2381 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2382 | // main is_constructible test |
| 2383 | |
| 2384 | template <class _Tp, class ..._Args> |
Howard Hinnant | 4af2cf3 | 2012-11-01 16:32:14 +0000 | [diff] [blame] | 2385 | typename __select_2nd<decltype(_VSTD::move(_Tp(_VSTD::declval<_Args>()...))), true_type>::type |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2386 | __is_constructible_test(_Tp&&, _Args&& ...); |
| 2387 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2388 | template <class ..._Args> |
| 2389 | false_type |
| 2390 | __is_constructible_test(__any, _Args&& ...); |
| 2391 | |
| 2392 | template <bool, class _Tp, class... _Args> |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 2393 | struct __libcpp_is_constructible // false, _Tp is not a scalar |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2394 | : public common_type |
| 2395 | < |
| 2396 | decltype(__is_constructible_test(declval<_Tp>(), declval<_Args>()...)) |
| 2397 | >::type |
| 2398 | {}; |
| 2399 | |
| 2400 | // function types are not constructible |
| 2401 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2402 | template <class _Rp, class... _A1, class... _A2> |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 2403 | struct __libcpp_is_constructible<false, _Rp(_A1...), _A2...> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2404 | : public false_type |
| 2405 | {}; |
| 2406 | |
| 2407 | // handle scalars and reference types |
| 2408 | |
| 2409 | // Scalars are default constructible, references are not |
| 2410 | |
| 2411 | template <class _Tp> |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 2412 | struct __libcpp_is_constructible<true, _Tp> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2413 | : public is_scalar<_Tp> |
| 2414 | {}; |
| 2415 | |
| 2416 | // Scalars and references are constructible from one arg if that arg is |
| 2417 | // implicitly convertible to the scalar or reference. |
| 2418 | |
| 2419 | template <class _Tp> |
| 2420 | struct __is_constructible_ref |
| 2421 | { |
Howard Hinnant | 9c0df14 | 2012-10-30 19:06:59 +0000 | [diff] [blame] | 2422 | true_type static __lxx(_Tp); |
| 2423 | false_type static __lxx(...); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2424 | }; |
| 2425 | |
| 2426 | template <class _Tp, class _A0> |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 2427 | struct __libcpp_is_constructible<true, _Tp, _A0> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2428 | : public common_type |
| 2429 | < |
Howard Hinnant | 9c0df14 | 2012-10-30 19:06:59 +0000 | [diff] [blame] | 2430 | decltype(__is_constructible_ref<_Tp>::__lxx(declval<_A0>())) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2431 | >::type |
| 2432 | {}; |
| 2433 | |
| 2434 | // Scalars and references are not constructible from multiple args. |
| 2435 | |
| 2436 | template <class _Tp, class _A0, class ..._Args> |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 2437 | struct __libcpp_is_constructible<true, _Tp, _A0, _Args...> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2438 | : public false_type |
| 2439 | {}; |
| 2440 | |
| 2441 | // Treat scalars and reference types separately |
| 2442 | |
| 2443 | template <bool, class _Tp, class... _Args> |
| 2444 | struct __is_constructible_void_check |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 2445 | : public __libcpp_is_constructible<is_scalar<_Tp>::value || is_reference<_Tp>::value, |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2446 | _Tp, _Args...> |
| 2447 | {}; |
| 2448 | |
| 2449 | // If any of T or Args is void, is_constructible should be false |
| 2450 | |
| 2451 | template <class _Tp, class... _Args> |
| 2452 | struct __is_constructible_void_check<true, _Tp, _Args...> |
| 2453 | : public false_type |
| 2454 | {}; |
| 2455 | |
Howard Hinnant | 17615b0 | 2010-07-27 01:25:38 +0000 | [diff] [blame] | 2456 | template <class ..._Args> struct __contains_void; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2457 | |
Howard Hinnant | 17615b0 | 2010-07-27 01:25:38 +0000 | [diff] [blame] | 2458 | template <> struct __contains_void<> : false_type {}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2459 | |
| 2460 | template <class _A0, class ..._Args> |
Howard Hinnant | 17615b0 | 2010-07-27 01:25:38 +0000 | [diff] [blame] | 2461 | struct __contains_void<_A0, _Args...> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2462 | { |
| 2463 | static const bool value = is_void<_A0>::value || |
Howard Hinnant | 17615b0 | 2010-07-27 01:25:38 +0000 | [diff] [blame] | 2464 | __contains_void<_Args...>::value; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2465 | }; |
| 2466 | |
| 2467 | // is_constructible entry point |
| 2468 | |
| 2469 | template <class _Tp, class... _Args> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2470 | struct _LIBCPP_TYPE_VIS_ONLY is_constructible |
Howard Hinnant | 17615b0 | 2010-07-27 01:25:38 +0000 | [diff] [blame] | 2471 | : public __is_constructible_void_check<__contains_void<_Tp, _Args...>::value |
| 2472 | || is_abstract<_Tp>::value, |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2473 | _Tp, _Args...> |
| 2474 | {}; |
| 2475 | |
| 2476 | // Array types are default constructible if their element type |
| 2477 | // is default constructible |
| 2478 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2479 | template <class _Ap, size_t _Np> |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 2480 | struct __libcpp_is_constructible<false, _Ap[_Np]> |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2481 | : public is_constructible<typename remove_all_extents<_Ap>::type> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2482 | {}; |
| 2483 | |
| 2484 | // Otherwise array types are not constructible by this syntax |
| 2485 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2486 | template <class _Ap, size_t _Np, class ..._Args> |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 2487 | struct __libcpp_is_constructible<false, _Ap[_Np], _Args...> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2488 | : public false_type |
| 2489 | {}; |
| 2490 | |
| 2491 | // Incomplete array types are not constructible |
| 2492 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2493 | template <class _Ap, class ..._Args> |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 2494 | struct __libcpp_is_constructible<false, _Ap[], _Args...> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2495 | : public false_type |
| 2496 | {}; |
| 2497 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2498 | #else // _LIBCPP_HAS_NO_VARIADICS |
Howard Hinnant | bb73d76 | 2010-09-07 17:47:31 +0000 | [diff] [blame] | 2499 | |
| 2500 | // template <class T> struct is_constructible0; |
| 2501 | |
| 2502 | // main is_constructible0 test |
| 2503 | |
| 2504 | template <class _Tp> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2505 | decltype((_Tp(), true_type())) |
Howard Hinnant | bb73d76 | 2010-09-07 17:47:31 +0000 | [diff] [blame] | 2506 | __is_constructible0_test(_Tp&); |
| 2507 | |
| 2508 | false_type |
| 2509 | __is_constructible0_test(__any); |
| 2510 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2511 | template <class _Tp, class _A0> |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 2512 | decltype((_Tp(_VSTD::declval<_A0>()), true_type())) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2513 | __is_constructible1_test(_Tp&, _A0&); |
| 2514 | |
| 2515 | template <class _A0> |
| 2516 | false_type |
| 2517 | __is_constructible1_test(__any, _A0&); |
| 2518 | |
| 2519 | template <class _Tp, class _A0, class _A1> |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 2520 | decltype((_Tp(_VSTD::declval<_A0>(), _VSTD::declval<_A1>()), true_type())) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2521 | __is_constructible2_test(_Tp&, _A0&, _A1&); |
| 2522 | |
| 2523 | template <class _A0, class _A1> |
| 2524 | false_type |
| 2525 | __is_constructible2_test(__any, _A0&, _A1&); |
| 2526 | |
Howard Hinnant | bb73d76 | 2010-09-07 17:47:31 +0000 | [diff] [blame] | 2527 | template <bool, class _Tp> |
| 2528 | struct __is_constructible0_imp // false, _Tp is not a scalar |
| 2529 | : public common_type |
| 2530 | < |
| 2531 | decltype(__is_constructible0_test(declval<_Tp&>())) |
| 2532 | >::type |
| 2533 | {}; |
| 2534 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2535 | template <bool, class _Tp, class _A0> |
| 2536 | struct __is_constructible1_imp // false, _Tp is not a scalar |
| 2537 | : public common_type |
| 2538 | < |
| 2539 | decltype(__is_constructible1_test(declval<_Tp&>(), declval<_A0&>())) |
| 2540 | >::type |
| 2541 | {}; |
| 2542 | |
| 2543 | template <bool, class _Tp, class _A0, class _A1> |
| 2544 | struct __is_constructible2_imp // false, _Tp is not a scalar |
| 2545 | : public common_type |
| 2546 | < |
| 2547 | decltype(__is_constructible2_test(declval<_Tp&>(), declval<_A0>(), declval<_A1>())) |
| 2548 | >::type |
| 2549 | {}; |
| 2550 | |
Howard Hinnant | bb73d76 | 2010-09-07 17:47:31 +0000 | [diff] [blame] | 2551 | // handle scalars and reference types |
| 2552 | |
| 2553 | // Scalars are default constructible, references are not |
| 2554 | |
| 2555 | template <class _Tp> |
| 2556 | struct __is_constructible0_imp<true, _Tp> |
| 2557 | : public is_scalar<_Tp> |
| 2558 | {}; |
| 2559 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2560 | template <class _Tp, class _A0> |
| 2561 | struct __is_constructible1_imp<true, _Tp, _A0> |
| 2562 | : public is_convertible<_A0, _Tp> |
| 2563 | {}; |
| 2564 | |
| 2565 | template <class _Tp, class _A0, class _A1> |
| 2566 | struct __is_constructible2_imp<true, _Tp, _A0, _A1> |
| 2567 | : public false_type |
| 2568 | {}; |
| 2569 | |
Howard Hinnant | bb73d76 | 2010-09-07 17:47:31 +0000 | [diff] [blame] | 2570 | // Treat scalars and reference types separately |
| 2571 | |
| 2572 | template <bool, class _Tp> |
| 2573 | struct __is_constructible0_void_check |
| 2574 | : public __is_constructible0_imp<is_scalar<_Tp>::value || is_reference<_Tp>::value, |
| 2575 | _Tp> |
| 2576 | {}; |
| 2577 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2578 | template <bool, class _Tp, class _A0> |
| 2579 | struct __is_constructible1_void_check |
| 2580 | : public __is_constructible1_imp<is_scalar<_Tp>::value || is_reference<_Tp>::value, |
| 2581 | _Tp, _A0> |
| 2582 | {}; |
| 2583 | |
| 2584 | template <bool, class _Tp, class _A0, class _A1> |
| 2585 | struct __is_constructible2_void_check |
| 2586 | : public __is_constructible2_imp<is_scalar<_Tp>::value || is_reference<_Tp>::value, |
| 2587 | _Tp, _A0, _A1> |
| 2588 | {}; |
| 2589 | |
Howard Hinnant | bb73d76 | 2010-09-07 17:47:31 +0000 | [diff] [blame] | 2590 | // If any of T or Args is void, is_constructible should be false |
| 2591 | |
| 2592 | template <class _Tp> |
| 2593 | struct __is_constructible0_void_check<true, _Tp> |
| 2594 | : public false_type |
| 2595 | {}; |
| 2596 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2597 | template <class _Tp, class _A0> |
| 2598 | struct __is_constructible1_void_check<true, _Tp, _A0> |
| 2599 | : public false_type |
| 2600 | {}; |
| 2601 | |
| 2602 | template <class _Tp, class _A0, class _A1> |
| 2603 | struct __is_constructible2_void_check<true, _Tp, _A0, _A1> |
| 2604 | : public false_type |
| 2605 | {}; |
| 2606 | |
| 2607 | // is_constructible entry point |
| 2608 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2609 | template <class _Tp, class _A0 = __is_construct::__nat, |
| 2610 | class _A1 = __is_construct::__nat> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2611 | struct _LIBCPP_TYPE_VIS_ONLY is_constructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2612 | : public __is_constructible2_void_check<is_void<_Tp>::value |
| 2613 | || is_abstract<_Tp>::value |
| 2614 | || is_function<_Tp>::value |
| 2615 | || is_void<_A0>::value |
| 2616 | || is_void<_A1>::value, |
| 2617 | _Tp, _A0, _A1> |
| 2618 | {}; |
Howard Hinnant | bb73d76 | 2010-09-07 17:47:31 +0000 | [diff] [blame] | 2619 | |
| 2620 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2621 | struct _LIBCPP_TYPE_VIS_ONLY is_constructible<_Tp, __is_construct::__nat, __is_construct::__nat> |
Howard Hinnant | bb73d76 | 2010-09-07 17:47:31 +0000 | [diff] [blame] | 2622 | : public __is_constructible0_void_check<is_void<_Tp>::value |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2623 | || is_abstract<_Tp>::value |
| 2624 | || is_function<_Tp>::value, |
Howard Hinnant | bb73d76 | 2010-09-07 17:47:31 +0000 | [diff] [blame] | 2625 | _Tp> |
| 2626 | {}; |
| 2627 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2628 | template <class _Tp, class _A0> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2629 | struct _LIBCPP_TYPE_VIS_ONLY is_constructible<_Tp, _A0, __is_construct::__nat> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2630 | : public __is_constructible1_void_check<is_void<_Tp>::value |
| 2631 | || is_abstract<_Tp>::value |
| 2632 | || is_function<_Tp>::value |
| 2633 | || is_void<_A0>::value, |
| 2634 | _Tp, _A0> |
| 2635 | {}; |
| 2636 | |
Howard Hinnant | bb73d76 | 2010-09-07 17:47:31 +0000 | [diff] [blame] | 2637 | // Array types are default constructible if their element type |
| 2638 | // is default constructible |
| 2639 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2640 | template <class _Ap, size_t _Np> |
| 2641 | struct __is_constructible0_imp<false, _Ap[_Np]> |
| 2642 | : public is_constructible<typename remove_all_extents<_Ap>::type> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2643 | {}; |
| 2644 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2645 | template <class _Ap, size_t _Np, class _A0> |
| 2646 | struct __is_constructible1_imp<false, _Ap[_Np], _A0> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2647 | : public false_type |
| 2648 | {}; |
| 2649 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2650 | template <class _Ap, size_t _Np, class _A0, class _A1> |
| 2651 | struct __is_constructible2_imp<false, _Ap[_Np], _A0, _A1> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2652 | : public false_type |
Howard Hinnant | bb73d76 | 2010-09-07 17:47:31 +0000 | [diff] [blame] | 2653 | {}; |
| 2654 | |
| 2655 | // Incomplete array types are not constructible |
| 2656 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2657 | template <class _Ap> |
| 2658 | struct __is_constructible0_imp<false, _Ap[]> |
Howard Hinnant | bb73d76 | 2010-09-07 17:47:31 +0000 | [diff] [blame] | 2659 | : public false_type |
| 2660 | {}; |
| 2661 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2662 | template <class _Ap, class _A0> |
| 2663 | struct __is_constructible1_imp<false, _Ap[], _A0> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2664 | : public false_type |
Howard Hinnant | 954b366 | 2010-09-07 23:11:28 +0000 | [diff] [blame] | 2665 | {}; |
| 2666 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2667 | template <class _Ap, class _A0, class _A1> |
| 2668 | struct __is_constructible2_imp<false, _Ap[], _A0, _A1> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2669 | : public false_type |
Howard Hinnant | 954b366 | 2010-09-07 23:11:28 +0000 | [diff] [blame] | 2670 | {}; |
| 2671 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2672 | #endif // _LIBCPP_HAS_NO_VARIADICS |
Marshall Clow | 067e91d | 2014-04-21 22:30:32 +0000 | [diff] [blame] | 2673 | #endif // __has_feature(is_constructible) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2674 | |
| 2675 | // is_default_constructible |
| 2676 | |
| 2677 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2678 | struct _LIBCPP_TYPE_VIS_ONLY is_default_constructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2679 | : public is_constructible<_Tp> |
| 2680 | {}; |
| 2681 | |
| 2682 | // is_copy_constructible |
| 2683 | |
| 2684 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2685 | struct _LIBCPP_TYPE_VIS_ONLY is_copy_constructible |
Marshall Clow | d132bf4 | 2014-09-22 23:58:00 +0000 | [diff] [blame] | 2686 | : public is_constructible<_Tp, |
| 2687 | typename add_lvalue_reference<typename add_const<_Tp>::type>::type> {}; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2688 | |
| 2689 | // is_move_constructible |
| 2690 | |
| 2691 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2692 | struct _LIBCPP_TYPE_VIS_ONLY is_move_constructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2693 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 2694 | : public is_constructible<_Tp, typename add_rvalue_reference<_Tp>::type> |
| 2695 | #else |
| 2696 | : public is_copy_constructible<_Tp> |
| 2697 | #endif |
| 2698 | {}; |
| 2699 | |
| 2700 | // is_trivially_constructible |
| 2701 | |
| 2702 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
| 2703 | |
Eric Fiselier | eeeada1 | 2015-06-13 02:18:44 +0000 | [diff] [blame] | 2704 | #if __has_feature(is_trivially_constructible) || _GNUC_VER >= 501 |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2705 | |
| 2706 | template <class _Tp, class... _Args> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2707 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2708 | : integral_constant<bool, __is_trivially_constructible(_Tp, _Args...)> |
| 2709 | { |
| 2710 | }; |
| 2711 | |
| 2712 | #else // !__has_feature(is_trivially_constructible) |
| 2713 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2714 | template <class _Tp, class... _Args> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2715 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2716 | : false_type |
| 2717 | { |
| 2718 | }; |
| 2719 | |
| 2720 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2721 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp> |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 2722 | #if __has_feature(has_trivial_constructor) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2723 | : integral_constant<bool, __has_trivial_constructor(_Tp)> |
| 2724 | #else |
| 2725 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 2726 | #endif |
| 2727 | { |
| 2728 | }; |
| 2729 | |
| 2730 | template <class _Tp> |
| 2731 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2732 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp, _Tp&&> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2733 | #else |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2734 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp, _Tp> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2735 | #endif |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2736 | : integral_constant<bool, is_scalar<_Tp>::value> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2737 | { |
| 2738 | }; |
| 2739 | |
| 2740 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2741 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp, const _Tp&> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2742 | : integral_constant<bool, is_scalar<_Tp>::value> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2743 | { |
| 2744 | }; |
| 2745 | |
| 2746 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2747 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp, _Tp&> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2748 | : integral_constant<bool, is_scalar<_Tp>::value> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2749 | { |
| 2750 | }; |
| 2751 | |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2752 | #endif // !__has_feature(is_trivially_constructible) |
| 2753 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2754 | #else // _LIBCPP_HAS_NO_VARIADICS |
| 2755 | |
| 2756 | template <class _Tp, class _A0 = __is_construct::__nat, |
| 2757 | class _A1 = __is_construct::__nat> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2758 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2759 | : false_type |
| 2760 | { |
| 2761 | }; |
| 2762 | |
Eric Fiselier | eeeada1 | 2015-06-13 02:18:44 +0000 | [diff] [blame] | 2763 | #if __has_feature(is_trivially_constructible) || _GNUC_VER >= 501 |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2764 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2765 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2766 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp, __is_construct::__nat, |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2767 | __is_construct::__nat> |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2768 | : integral_constant<bool, __is_trivially_constructible(_Tp)> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2769 | { |
| 2770 | }; |
| 2771 | |
| 2772 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2773 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp, _Tp, |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2774 | __is_construct::__nat> |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2775 | : integral_constant<bool, __is_trivially_constructible(_Tp, _Tp)> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2776 | { |
| 2777 | }; |
| 2778 | |
| 2779 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2780 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp, const _Tp&, |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2781 | __is_construct::__nat> |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2782 | : integral_constant<bool, __is_trivially_constructible(_Tp, const _Tp&)> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2783 | { |
| 2784 | }; |
| 2785 | |
| 2786 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2787 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp, _Tp&, |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2788 | __is_construct::__nat> |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2789 | : integral_constant<bool, __is_trivially_constructible(_Tp, _Tp&)> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2790 | { |
| 2791 | }; |
| 2792 | |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2793 | #else // !__has_feature(is_trivially_constructible) |
| 2794 | |
| 2795 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2796 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp, __is_construct::__nat, |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2797 | __is_construct::__nat> |
| 2798 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 2799 | { |
| 2800 | }; |
| 2801 | |
| 2802 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2803 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp, _Tp, |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2804 | __is_construct::__nat> |
| 2805 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 2806 | { |
| 2807 | }; |
| 2808 | |
| 2809 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2810 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp, const _Tp&, |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2811 | __is_construct::__nat> |
| 2812 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 2813 | { |
| 2814 | }; |
| 2815 | |
| 2816 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2817 | struct _LIBCPP_TYPE_VIS_ONLY is_trivially_constructible<_Tp, _Tp&, |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2818 | __is_construct::__nat> |
| 2819 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 2820 | { |
| 2821 | }; |
| 2822 | |
| 2823 | #endif // !__has_feature(is_trivially_constructible) |
| 2824 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2825 | #endif // _LIBCPP_HAS_NO_VARIADICS |
| 2826 | |
| 2827 | // is_trivially_default_constructible |
| 2828 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2829 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_trivially_default_constructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2830 | : public is_trivially_constructible<_Tp> |
| 2831 | {}; |
| 2832 | |
| 2833 | // is_trivially_copy_constructible |
| 2834 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2835 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_trivially_copy_constructible |
Howard Hinnant | 3f81e9e | 2013-11-13 00:39:22 +0000 | [diff] [blame] | 2836 | : public is_trivially_constructible<_Tp, typename add_lvalue_reference<const _Tp>::type> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2837 | {}; |
| 2838 | |
| 2839 | // is_trivially_move_constructible |
| 2840 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2841 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_trivially_move_constructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2842 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 2843 | : public is_trivially_constructible<_Tp, typename add_rvalue_reference<_Tp>::type> |
| 2844 | #else |
| 2845 | : public is_trivially_copy_constructible<_Tp> |
| 2846 | #endif |
| 2847 | {}; |
| 2848 | |
| 2849 | // is_trivially_assignable |
| 2850 | |
Eric Fiselier | eeeada1 | 2015-06-13 02:18:44 +0000 | [diff] [blame] | 2851 | #if __has_feature(is_trivially_assignable) || _GNUC_VER >= 501 |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2852 | |
| 2853 | template <class _Tp, class _Arg> |
| 2854 | struct is_trivially_assignable |
| 2855 | : integral_constant<bool, __is_trivially_assignable(_Tp, _Arg)> |
| 2856 | { |
| 2857 | }; |
| 2858 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 2859 | #else // !__has_feature(is_trivially_assignable) |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2860 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2861 | template <class _Tp, class _Arg> |
| 2862 | struct is_trivially_assignable |
| 2863 | : public false_type {}; |
| 2864 | |
| 2865 | template <class _Tp> |
| 2866 | struct is_trivially_assignable<_Tp&, _Tp> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2867 | : integral_constant<bool, is_scalar<_Tp>::value> {}; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2868 | |
| 2869 | template <class _Tp> |
| 2870 | struct is_trivially_assignable<_Tp&, _Tp&> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2871 | : integral_constant<bool, is_scalar<_Tp>::value> {}; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2872 | |
| 2873 | template <class _Tp> |
| 2874 | struct is_trivially_assignable<_Tp&, const _Tp&> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2875 | : integral_constant<bool, is_scalar<_Tp>::value> {}; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2876 | |
| 2877 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 2878 | |
| 2879 | template <class _Tp> |
| 2880 | struct is_trivially_assignable<_Tp&, _Tp&&> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2881 | : integral_constant<bool, is_scalar<_Tp>::value> {}; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2882 | |
| 2883 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 2884 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 2885 | #endif // !__has_feature(is_trivially_assignable) |
Howard Hinnant | 4300839 | 2012-02-24 23:32:26 +0000 | [diff] [blame] | 2886 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2887 | // is_trivially_copy_assignable |
| 2888 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2889 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_trivially_copy_assignable |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2890 | : public is_trivially_assignable<typename add_lvalue_reference<_Tp>::type, |
Marshall Clow | d132bf4 | 2014-09-22 23:58:00 +0000 | [diff] [blame] | 2891 | typename add_lvalue_reference<typename add_const<_Tp>::type>::type> {}; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2892 | |
| 2893 | // is_trivially_move_assignable |
| 2894 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2895 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_trivially_move_assignable |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2896 | : public is_trivially_assignable<typename add_lvalue_reference<_Tp>::type, |
| 2897 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 2898 | typename add_rvalue_reference<_Tp>::type> |
| 2899 | #else |
| 2900 | typename add_lvalue_reference<_Tp>::type> |
| 2901 | #endif |
| 2902 | {}; |
| 2903 | |
| 2904 | // is_trivially_destructible |
| 2905 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 2906 | #if __has_feature(has_trivial_destructor) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2907 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2908 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_trivially_destructible |
Marshall Clow | e33e03e | 2014-09-02 16:19:38 +0000 | [diff] [blame] | 2909 | : public integral_constant<bool, is_destructible<_Tp>::value && __has_trivial_destructor(_Tp)> {}; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2910 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 2911 | #else |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2912 | |
| 2913 | template <class _Tp> struct __libcpp_trivial_destructor |
| 2914 | : public integral_constant<bool, is_scalar<_Tp>::value || |
| 2915 | is_reference<_Tp>::value> {}; |
| 2916 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2917 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_trivially_destructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2918 | : public __libcpp_trivial_destructor<typename remove_all_extents<_Tp>::type> {}; |
| 2919 | |
Eric Fiselier | 12c6d9c | 2015-07-18 16:43:58 +0000 | [diff] [blame] | 2920 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_trivially_destructible<_Tp[]> |
| 2921 | : public false_type {}; |
| 2922 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 2923 | #endif |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2924 | |
| 2925 | // is_nothrow_constructible |
| 2926 | |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 2927 | #if 0 |
| 2928 | template <class _Tp, class... _Args> |
| 2929 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible |
| 2930 | : public integral_constant<bool, __is_nothrow_constructible(_Tp(_Args...))> |
| 2931 | { |
| 2932 | }; |
| 2933 | |
| 2934 | #else |
| 2935 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2936 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
| 2937 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 2938 | #if __has_feature(cxx_noexcept) || (_GNUC_VER >= 407 && __cplusplus >= 201103L) |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 2939 | |
Marshall Clow | df9722e | 2014-10-07 21:42:12 +0000 | [diff] [blame] | 2940 | template <bool, bool, class _Tp, class... _Args> struct __libcpp_is_nothrow_constructible; |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 2941 | |
| 2942 | template <class _Tp, class... _Args> |
Marshall Clow | df9722e | 2014-10-07 21:42:12 +0000 | [diff] [blame] | 2943 | struct __libcpp_is_nothrow_constructible</*is constructible*/true, /*is reference*/false, _Tp, _Args...> |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 2944 | : public integral_constant<bool, noexcept(_Tp(declval<_Args>()...))> |
| 2945 | { |
| 2946 | }; |
| 2947 | |
Marshall Clow | df9722e | 2014-10-07 21:42:12 +0000 | [diff] [blame] | 2948 | template <class _Tp> |
| 2949 | void __implicit_conversion_to(_Tp) noexcept { } |
| 2950 | |
| 2951 | template <class _Tp, class _Arg> |
| 2952 | struct __libcpp_is_nothrow_constructible</*is constructible*/true, /*is reference*/true, _Tp, _Arg> |
| 2953 | : public integral_constant<bool, noexcept(__implicit_conversion_to<_Tp>(declval<_Arg>()))> |
| 2954 | { |
| 2955 | }; |
| 2956 | |
| 2957 | template <class _Tp, bool _IsReference, class... _Args> |
| 2958 | struct __libcpp_is_nothrow_constructible</*is constructible*/false, _IsReference, _Tp, _Args...> |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 2959 | : public false_type |
| 2960 | { |
| 2961 | }; |
| 2962 | |
| 2963 | template <class _Tp, class... _Args> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2964 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible |
Marshall Clow | df9722e | 2014-10-07 21:42:12 +0000 | [diff] [blame] | 2965 | : __libcpp_is_nothrow_constructible<is_constructible<_Tp, _Args...>::value, is_reference<_Tp>::value, _Tp, _Args...> |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 2966 | { |
| 2967 | }; |
| 2968 | |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 2969 | template <class _Tp, size_t _Ns> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2970 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible<_Tp[_Ns]> |
Marshall Clow | df9722e | 2014-10-07 21:42:12 +0000 | [diff] [blame] | 2971 | : __libcpp_is_nothrow_constructible<is_constructible<_Tp>::value, is_reference<_Tp>::value, _Tp> |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 2972 | { |
| 2973 | }; |
| 2974 | |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 2975 | #else // __has_feature(cxx_noexcept) |
| 2976 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2977 | template <class _Tp, class... _Args> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2978 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2979 | : false_type |
| 2980 | { |
| 2981 | }; |
| 2982 | |
| 2983 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2984 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible<_Tp> |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 2985 | #if __has_feature(has_nothrow_constructor) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2986 | : integral_constant<bool, __has_nothrow_constructor(_Tp)> |
| 2987 | #else |
| 2988 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 2989 | #endif |
| 2990 | { |
| 2991 | }; |
| 2992 | |
| 2993 | template <class _Tp> |
| 2994 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2995 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible<_Tp, _Tp&&> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2996 | #else |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 2997 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible<_Tp, _Tp> |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 2998 | #endif |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 2999 | #if __has_feature(has_nothrow_copy) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3000 | : integral_constant<bool, __has_nothrow_copy(_Tp)> |
| 3001 | #else |
| 3002 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 3003 | #endif |
| 3004 | { |
| 3005 | }; |
| 3006 | |
| 3007 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3008 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible<_Tp, const _Tp&> |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3009 | #if __has_feature(has_nothrow_copy) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3010 | : integral_constant<bool, __has_nothrow_copy(_Tp)> |
| 3011 | #else |
| 3012 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 3013 | #endif |
| 3014 | { |
| 3015 | }; |
| 3016 | |
| 3017 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3018 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible<_Tp, _Tp&> |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3019 | #if __has_feature(has_nothrow_copy) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3020 | : integral_constant<bool, __has_nothrow_copy(_Tp)> |
| 3021 | #else |
| 3022 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 3023 | #endif |
| 3024 | { |
| 3025 | }; |
| 3026 | |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3027 | #endif // __has_feature(cxx_noexcept) |
| 3028 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3029 | #else // _LIBCPP_HAS_NO_VARIADICS |
| 3030 | |
| 3031 | template <class _Tp, class _A0 = __is_construct::__nat, |
| 3032 | class _A1 = __is_construct::__nat> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3033 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3034 | : false_type |
| 3035 | { |
| 3036 | }; |
| 3037 | |
| 3038 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3039 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible<_Tp, __is_construct::__nat, |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3040 | __is_construct::__nat> |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3041 | #if __has_feature(has_nothrow_constructor) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3042 | : integral_constant<bool, __has_nothrow_constructor(_Tp)> |
| 3043 | #else |
| 3044 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 3045 | #endif |
| 3046 | { |
| 3047 | }; |
| 3048 | |
| 3049 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3050 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible<_Tp, _Tp, |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3051 | __is_construct::__nat> |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3052 | #if __has_feature(has_nothrow_copy) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3053 | : integral_constant<bool, __has_nothrow_copy(_Tp)> |
| 3054 | #else |
| 3055 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 3056 | #endif |
| 3057 | { |
| 3058 | }; |
| 3059 | |
| 3060 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3061 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible<_Tp, const _Tp&, |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3062 | __is_construct::__nat> |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3063 | #if __has_feature(has_nothrow_copy) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3064 | : integral_constant<bool, __has_nothrow_copy(_Tp)> |
| 3065 | #else |
| 3066 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 3067 | #endif |
| 3068 | { |
| 3069 | }; |
| 3070 | |
| 3071 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3072 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_constructible<_Tp, _Tp&, |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3073 | __is_construct::__nat> |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3074 | #if __has_feature(has_nothrow_copy) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3075 | : integral_constant<bool, __has_nothrow_copy(_Tp)> |
| 3076 | #else |
| 3077 | : integral_constant<bool, is_scalar<_Tp>::value> |
| 3078 | #endif |
| 3079 | { |
| 3080 | }; |
| 3081 | |
| 3082 | #endif // _LIBCPP_HAS_NO_VARIADICS |
Marshall Clow | 4f3368e | 2014-05-29 01:10:28 +0000 | [diff] [blame] | 3083 | #endif // __has_feature(is_nothrow_constructible) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3084 | |
| 3085 | // is_nothrow_default_constructible |
| 3086 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3087 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_default_constructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3088 | : public is_nothrow_constructible<_Tp> |
| 3089 | {}; |
| 3090 | |
| 3091 | // is_nothrow_copy_constructible |
| 3092 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3093 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_copy_constructible |
Marshall Clow | d132bf4 | 2014-09-22 23:58:00 +0000 | [diff] [blame] | 3094 | : public is_nothrow_constructible<_Tp, |
| 3095 | typename add_lvalue_reference<typename add_const<_Tp>::type>::type> {}; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3096 | |
| 3097 | // is_nothrow_move_constructible |
| 3098 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3099 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_move_constructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3100 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 3101 | : public is_nothrow_constructible<_Tp, typename add_rvalue_reference<_Tp>::type> |
| 3102 | #else |
| 3103 | : public is_nothrow_copy_constructible<_Tp> |
| 3104 | #endif |
| 3105 | {}; |
| 3106 | |
| 3107 | // is_nothrow_assignable |
| 3108 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3109 | #if __has_feature(cxx_noexcept) || (_GNUC_VER >= 407 && __cplusplus >= 201103L) |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3110 | |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 3111 | template <bool, class _Tp, class _Arg> struct __libcpp_is_nothrow_assignable; |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3112 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3113 | template <class _Tp, class _Arg> |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 3114 | struct __libcpp_is_nothrow_assignable<false, _Tp, _Arg> |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3115 | : public false_type |
| 3116 | { |
| 3117 | }; |
| 3118 | |
| 3119 | template <class _Tp, class _Arg> |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 3120 | struct __libcpp_is_nothrow_assignable<true, _Tp, _Arg> |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 3121 | : public integral_constant<bool, noexcept(_VSTD::declval<_Tp>() = _VSTD::declval<_Arg>()) > |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3122 | { |
| 3123 | }; |
| 3124 | |
| 3125 | template <class _Tp, class _Arg> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3126 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_assignable |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 3127 | : public __libcpp_is_nothrow_assignable<is_assignable<_Tp, _Arg>::value, _Tp, _Arg> |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3128 | { |
| 3129 | }; |
| 3130 | |
| 3131 | #else // __has_feature(cxx_noexcept) |
| 3132 | |
| 3133 | template <class _Tp, class _Arg> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3134 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_assignable |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3135 | : public false_type {}; |
| 3136 | |
| 3137 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3138 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_assignable<_Tp&, _Tp> |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3139 | #if __has_feature(has_nothrow_assign) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3140 | : integral_constant<bool, __has_nothrow_assign(_Tp)> {}; |
| 3141 | #else |
| 3142 | : integral_constant<bool, is_scalar<_Tp>::value> {}; |
| 3143 | #endif |
| 3144 | |
| 3145 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3146 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_assignable<_Tp&, _Tp&> |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3147 | #if __has_feature(has_nothrow_assign) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3148 | : integral_constant<bool, __has_nothrow_assign(_Tp)> {}; |
| 3149 | #else |
| 3150 | : integral_constant<bool, is_scalar<_Tp>::value> {}; |
| 3151 | #endif |
| 3152 | |
| 3153 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3154 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_assignable<_Tp&, const _Tp&> |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3155 | #if __has_feature(has_nothrow_assign) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3156 | : integral_constant<bool, __has_nothrow_assign(_Tp)> {}; |
| 3157 | #else |
| 3158 | : integral_constant<bool, is_scalar<_Tp>::value> {}; |
| 3159 | #endif |
| 3160 | |
| 3161 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 3162 | |
| 3163 | template <class _Tp> |
| 3164 | struct is_nothrow_assignable<_Tp&, _Tp&&> |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3165 | #if __has_feature(has_nothrow_assign) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3166 | : integral_constant<bool, __has_nothrow_assign(_Tp)> {}; |
| 3167 | #else |
| 3168 | : integral_constant<bool, is_scalar<_Tp>::value> {}; |
| 3169 | #endif |
| 3170 | |
| 3171 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 3172 | |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3173 | #endif // __has_feature(cxx_noexcept) |
| 3174 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3175 | // is_nothrow_copy_assignable |
| 3176 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3177 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_copy_assignable |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3178 | : public is_nothrow_assignable<typename add_lvalue_reference<_Tp>::type, |
Marshall Clow | d132bf4 | 2014-09-22 23:58:00 +0000 | [diff] [blame] | 3179 | typename add_lvalue_reference<typename add_const<_Tp>::type>::type> {}; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3180 | |
| 3181 | // is_nothrow_move_assignable |
| 3182 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3183 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_move_assignable |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3184 | : public is_nothrow_assignable<typename add_lvalue_reference<_Tp>::type, |
| 3185 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 3186 | typename add_rvalue_reference<_Tp>::type> |
| 3187 | #else |
| 3188 | typename add_lvalue_reference<_Tp>::type> |
| 3189 | #endif |
| 3190 | {}; |
| 3191 | |
| 3192 | // is_nothrow_destructible |
| 3193 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3194 | #if __has_feature(cxx_noexcept) || (_GNUC_VER >= 407 && __cplusplus >= 201103L) |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3195 | |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 3196 | template <bool, class _Tp> struct __libcpp_is_nothrow_destructible; |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3197 | |
| 3198 | template <class _Tp> |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 3199 | struct __libcpp_is_nothrow_destructible<false, _Tp> |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3200 | : public false_type |
| 3201 | { |
| 3202 | }; |
| 3203 | |
| 3204 | template <class _Tp> |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 3205 | struct __libcpp_is_nothrow_destructible<true, _Tp> |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 3206 | : public integral_constant<bool, noexcept(_VSTD::declval<_Tp>().~_Tp()) > |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3207 | { |
| 3208 | }; |
| 3209 | |
| 3210 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3211 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_destructible |
Marshall Clow | 708dd84 | 2014-01-24 15:27:41 +0000 | [diff] [blame] | 3212 | : public __libcpp_is_nothrow_destructible<is_destructible<_Tp>::value, _Tp> |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3213 | { |
| 3214 | }; |
| 3215 | |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 3216 | template <class _Tp, size_t _Ns> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3217 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_destructible<_Tp[_Ns]> |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 3218 | : public is_nothrow_destructible<_Tp> |
| 3219 | { |
| 3220 | }; |
| 3221 | |
| 3222 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3223 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_destructible<_Tp&> |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 3224 | : public true_type |
| 3225 | { |
| 3226 | }; |
| 3227 | |
| 3228 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 3229 | |
| 3230 | template <class _Tp> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3231 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_destructible<_Tp&&> |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 3232 | : public true_type |
| 3233 | { |
| 3234 | }; |
| 3235 | |
| 3236 | #endif |
| 3237 | |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3238 | #else |
| 3239 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3240 | template <class _Tp> struct __libcpp_nothrow_destructor |
| 3241 | : public integral_constant<bool, is_scalar<_Tp>::value || |
| 3242 | is_reference<_Tp>::value> {}; |
| 3243 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3244 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_destructible |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3245 | : public __libcpp_nothrow_destructor<typename remove_all_extents<_Tp>::type> {}; |
| 3246 | |
Eric Fiselier | 12c6d9c | 2015-07-18 16:43:58 +0000 | [diff] [blame] | 3247 | template <class _Tp> |
| 3248 | struct _LIBCPP_TYPE_VIS_ONLY is_nothrow_destructible<_Tp[]> |
| 3249 | : public false_type {}; |
| 3250 | |
Howard Hinnant | 5d37fb3 | 2011-05-11 20:19:40 +0000 | [diff] [blame] | 3251 | #endif |
| 3252 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3253 | // is_pod |
| 3254 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3255 | #if __has_feature(is_pod) || (_GNUC_VER >= 403) |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3256 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3257 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_pod |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3258 | : public integral_constant<bool, __is_pod(_Tp)> {}; |
| 3259 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3260 | #else |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3261 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3262 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_pod |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 3263 | : public integral_constant<bool, is_trivially_default_constructible<_Tp>::value && |
| 3264 | is_trivially_copy_constructible<_Tp>::value && |
| 3265 | is_trivially_copy_assignable<_Tp>::value && |
| 3266 | is_trivially_destructible<_Tp>::value> {}; |
| 3267 | |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3268 | #endif |
Howard Hinnant | 954b366 | 2010-09-07 23:11:28 +0000 | [diff] [blame] | 3269 | |
Howard Hinnant | 3666695 | 2011-05-09 19:21:17 +0000 | [diff] [blame] | 3270 | // is_literal_type; |
| 3271 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3272 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_literal_type |
Marshall Clow | 81aa3a7 | 2014-06-26 01:07:56 +0000 | [diff] [blame] | 3273 | #ifdef _LIBCPP_IS_LITERAL |
| 3274 | : public integral_constant<bool, _LIBCPP_IS_LITERAL(_Tp)> |
Howard Hinnant | 3666695 | 2011-05-09 19:21:17 +0000 | [diff] [blame] | 3275 | #else |
| 3276 | : integral_constant<bool, is_scalar<typename remove_all_extents<_Tp>::type>::value || |
| 3277 | is_reference<typename remove_all_extents<_Tp>::type>::value> |
| 3278 | #endif |
| 3279 | {}; |
| 3280 | |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 3281 | // is_standard_layout; |
| 3282 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3283 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_standard_layout |
Marshall Clow | 48e7e9f | 2014-07-10 15:38:20 +0000 | [diff] [blame] | 3284 | #if __has_feature(is_standard_layout) || (_GNUC_VER >= 407) |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 3285 | : public integral_constant<bool, __is_standard_layout(_Tp)> |
| 3286 | #else |
| 3287 | : integral_constant<bool, is_scalar<typename remove_all_extents<_Tp>::type>::value> |
| 3288 | #endif |
| 3289 | {}; |
| 3290 | |
| 3291 | // is_trivially_copyable; |
| 3292 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3293 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_trivially_copyable |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 3294 | #if __has_feature(is_trivially_copyable) |
| 3295 | : public integral_constant<bool, __is_trivially_copyable(_Tp)> |
Eric Fiselier | eeeada1 | 2015-06-13 02:18:44 +0000 | [diff] [blame] | 3296 | #elif _GNUC_VER >= 501 |
| 3297 | : public integral_constant<bool, !is_volatile<_Tp>::value && __is_trivially_copyable(_Tp)> |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 3298 | #else |
| 3299 | : integral_constant<bool, is_scalar<typename remove_all_extents<_Tp>::type>::value> |
| 3300 | #endif |
| 3301 | {}; |
| 3302 | |
| 3303 | // is_trivial; |
| 3304 | |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3305 | template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_trivial |
Eric Fiselier | eeeada1 | 2015-06-13 02:18:44 +0000 | [diff] [blame] | 3306 | #if __has_feature(is_trivial) || _GNUC_VER >= 407 |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 3307 | : public integral_constant<bool, __is_trivial(_Tp)> |
| 3308 | #else |
| 3309 | : integral_constant<bool, is_trivially_copyable<_Tp>::value && |
Howard Hinnant | 5ec7f5a | 2011-05-14 18:20:45 +0000 | [diff] [blame] | 3310 | is_trivially_default_constructible<_Tp>::value> |
Howard Hinnant | 6063ec1 | 2011-05-13 14:08:16 +0000 | [diff] [blame] | 3311 | #endif |
| 3312 | {}; |
Howard Hinnant | 57cff29 | 2011-05-19 15:05:04 +0000 | [diff] [blame] | 3313 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3314 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
Howard Hinnant | 57cff29 | 2011-05-19 15:05:04 +0000 | [diff] [blame] | 3315 | |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3316 | // Check for complete types |
| 3317 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3318 | template <class ..._Tp> struct __check_complete; |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3319 | |
| 3320 | template <> |
| 3321 | struct __check_complete<> |
| 3322 | { |
| 3323 | }; |
| 3324 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3325 | template <class _Hp, class _T0, class ..._Tp> |
| 3326 | struct __check_complete<_Hp, _T0, _Tp...> |
| 3327 | : private __check_complete<_Hp>, |
| 3328 | private __check_complete<_T0, _Tp...> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3329 | { |
| 3330 | }; |
| 3331 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3332 | template <class _Hp> |
| 3333 | struct __check_complete<_Hp, _Hp> |
| 3334 | : private __check_complete<_Hp> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3335 | { |
| 3336 | }; |
| 3337 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3338 | template <class _Tp> |
| 3339 | struct __check_complete<_Tp> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3340 | { |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3341 | static_assert(sizeof(_Tp) > 0, "Type must be complete."); |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3342 | }; |
| 3343 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3344 | template <class _Tp> |
| 3345 | struct __check_complete<_Tp&> |
| 3346 | : private __check_complete<_Tp> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3347 | { |
| 3348 | }; |
| 3349 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3350 | template <class _Tp> |
| 3351 | struct __check_complete<_Tp&&> |
| 3352 | : private __check_complete<_Tp> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3353 | { |
| 3354 | }; |
| 3355 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3356 | template <class _Rp, class ..._Param> |
| 3357 | struct __check_complete<_Rp (*)(_Param...)> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3358 | : private __check_complete<_Rp> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3359 | { |
| 3360 | }; |
| 3361 | |
Howard Hinnant | de8fc6b | 2013-08-14 21:28:31 +0000 | [diff] [blame] | 3362 | template <class ..._Param> |
| 3363 | struct __check_complete<void (*)(_Param...)> |
| 3364 | { |
| 3365 | }; |
| 3366 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3367 | template <class _Rp, class ..._Param> |
| 3368 | struct __check_complete<_Rp (_Param...)> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3369 | : private __check_complete<_Rp> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3370 | { |
| 3371 | }; |
| 3372 | |
Howard Hinnant | de8fc6b | 2013-08-14 21:28:31 +0000 | [diff] [blame] | 3373 | template <class ..._Param> |
| 3374 | struct __check_complete<void (_Param...)> |
| 3375 | { |
| 3376 | }; |
| 3377 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3378 | template <class _Rp, class _Class, class ..._Param> |
| 3379 | struct __check_complete<_Rp (_Class::*)(_Param...)> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3380 | : private __check_complete<_Class> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3381 | { |
| 3382 | }; |
| 3383 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3384 | template <class _Rp, class _Class, class ..._Param> |
| 3385 | struct __check_complete<_Rp (_Class::*)(_Param...) const> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3386 | : private __check_complete<_Class> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3387 | { |
| 3388 | }; |
| 3389 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3390 | template <class _Rp, class _Class, class ..._Param> |
| 3391 | struct __check_complete<_Rp (_Class::*)(_Param...) volatile> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3392 | : private __check_complete<_Class> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3393 | { |
| 3394 | }; |
| 3395 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3396 | template <class _Rp, class _Class, class ..._Param> |
| 3397 | struct __check_complete<_Rp (_Class::*)(_Param...) const volatile> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3398 | : private __check_complete<_Class> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3399 | { |
| 3400 | }; |
| 3401 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3402 | #if __has_feature(cxx_reference_qualified_functions) |
| 3403 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3404 | template <class _Rp, class _Class, class ..._Param> |
| 3405 | struct __check_complete<_Rp (_Class::*)(_Param...) &> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3406 | : private __check_complete<_Class> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3407 | { |
| 3408 | }; |
| 3409 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3410 | template <class _Rp, class _Class, class ..._Param> |
| 3411 | struct __check_complete<_Rp (_Class::*)(_Param...) const&> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3412 | : private __check_complete<_Class> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3413 | { |
| 3414 | }; |
| 3415 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3416 | template <class _Rp, class _Class, class ..._Param> |
| 3417 | struct __check_complete<_Rp (_Class::*)(_Param...) volatile&> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3418 | : private __check_complete<_Class> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3419 | { |
| 3420 | }; |
| 3421 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3422 | template <class _Rp, class _Class, class ..._Param> |
| 3423 | struct __check_complete<_Rp (_Class::*)(_Param...) const volatile&> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3424 | : private __check_complete<_Class> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3425 | { |
| 3426 | }; |
| 3427 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3428 | template <class _Rp, class _Class, class ..._Param> |
| 3429 | struct __check_complete<_Rp (_Class::*)(_Param...) &&> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3430 | : private __check_complete<_Class> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3431 | { |
| 3432 | }; |
| 3433 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3434 | template <class _Rp, class _Class, class ..._Param> |
| 3435 | struct __check_complete<_Rp (_Class::*)(_Param...) const&&> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3436 | : private __check_complete<_Class> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3437 | { |
| 3438 | }; |
| 3439 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3440 | template <class _Rp, class _Class, class ..._Param> |
| 3441 | struct __check_complete<_Rp (_Class::*)(_Param...) volatile&&> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3442 | : private __check_complete<_Class> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3443 | { |
| 3444 | }; |
| 3445 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3446 | template <class _Rp, class _Class, class ..._Param> |
| 3447 | struct __check_complete<_Rp (_Class::*)(_Param...) const volatile&&> |
Howard Hinnant | e41f475 | 2012-07-20 18:56:07 +0000 | [diff] [blame] | 3448 | : private __check_complete<_Class> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3449 | { |
| 3450 | }; |
| 3451 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3452 | #endif |
| 3453 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3454 | template <class _Rp, class _Class> |
| 3455 | struct __check_complete<_Rp _Class::*> |
Howard Hinnant | e003ce4 | 2011-05-22 00:09:02 +0000 | [diff] [blame] | 3456 | : private __check_complete<_Class> |
| 3457 | { |
| 3458 | }; |
| 3459 | |
Howard Hinnant | bd89e4b | 2011-05-20 22:02:53 +0000 | [diff] [blame] | 3460 | // __invoke forward declarations |
Howard Hinnant | 57cff29 | 2011-05-19 15:05:04 +0000 | [diff] [blame] | 3461 | |
Howard Hinnant | bd89e4b | 2011-05-20 22:02:53 +0000 | [diff] [blame] | 3462 | // fall back - none of the bullets |
Howard Hinnant | 57cff29 | 2011-05-19 15:05:04 +0000 | [diff] [blame] | 3463 | |
| 3464 | template <class ..._Args> |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3465 | auto |
| 3466 | __invoke(__any, _Args&& ...__args) |
| 3467 | -> __nat; |
Eric Fiselier | 8d5cbd7 | 2016-04-20 00:14:32 +0000 | [diff] [blame] | 3468 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3469 | // bullets 1 and 2 |
Howard Hinnant | bd89e4b | 2011-05-20 22:02:53 +0000 | [diff] [blame] | 3470 | |
Howard Hinnant | ecc9742 | 2013-05-07 23:40:12 +0000 | [diff] [blame] | 3471 | template <class _Fp, class _A0, class ..._Args, |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3472 | class = typename enable_if |
| 3473 | < |
| 3474 | is_member_function_pointer<typename remove_reference<_Fp>::type>::value && |
| 3475 | is_base_of<typename remove_reference<typename __member_pointer_traits<typename remove_reference<_Fp>::type>::_ClassType>::type, |
| 3476 | typename remove_reference<_A0>::type>::value |
| 3477 | >::type |
| 3478 | > |
| 3479 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bd89e4b | 2011-05-20 22:02:53 +0000 | [diff] [blame] | 3480 | auto |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3481 | __invoke(_Fp&& __f, _A0&& __a0, _Args&& ...__args) |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3482 | -> decltype((_VSTD::forward<_A0>(__a0).*__f)(_VSTD::forward<_Args>(__args)...)); |
Eric Fiselier | 134ff65 | 2016-04-18 06:17:30 +0000 | [diff] [blame] | 3483 | |
Howard Hinnant | ecc9742 | 2013-05-07 23:40:12 +0000 | [diff] [blame] | 3484 | template <class _Fp, class _A0, class ..._Args, |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3485 | class = typename enable_if |
| 3486 | < |
| 3487 | is_member_function_pointer<typename remove_reference<_Fp>::type>::value && |
| 3488 | !is_base_of<typename remove_reference<typename __member_pointer_traits<typename remove_reference<_Fp>::type>::_ClassType>::type, |
| 3489 | typename remove_reference<_A0>::type>::value |
| 3490 | >::type |
| 3491 | > |
| 3492 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bd89e4b | 2011-05-20 22:02:53 +0000 | [diff] [blame] | 3493 | auto |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3494 | __invoke(_Fp&& __f, _A0&& __a0, _Args&& ...__args) |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3495 | -> decltype(((*_VSTD::forward<_A0>(__a0)).*__f)(_VSTD::forward<_Args>(__args)...)); |
Eric Fiselier | 8d5cbd7 | 2016-04-20 00:14:32 +0000 | [diff] [blame] | 3496 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3497 | // bullets 3 and 4 |
Howard Hinnant | bd89e4b | 2011-05-20 22:02:53 +0000 | [diff] [blame] | 3498 | |
Howard Hinnant | ecc9742 | 2013-05-07 23:40:12 +0000 | [diff] [blame] | 3499 | template <class _Fp, class _A0, |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3500 | class = typename enable_if |
| 3501 | < |
| 3502 | is_member_object_pointer<typename remove_reference<_Fp>::type>::value && |
| 3503 | is_base_of<typename __member_pointer_traits<typename remove_reference<_Fp>::type>::_ClassType, |
| 3504 | typename remove_reference<_A0>::type>::value |
| 3505 | >::type |
| 3506 | > |
| 3507 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bd89e4b | 2011-05-20 22:02:53 +0000 | [diff] [blame] | 3508 | auto |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3509 | __invoke(_Fp&& __f, _A0&& __a0) |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3510 | -> decltype(_VSTD::forward<_A0>(__a0).*__f); |
Eric Fiselier | 134ff65 | 2016-04-18 06:17:30 +0000 | [diff] [blame] | 3511 | |
Howard Hinnant | ecc9742 | 2013-05-07 23:40:12 +0000 | [diff] [blame] | 3512 | template <class _Fp, class _A0, |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3513 | class = typename enable_if |
| 3514 | < |
| 3515 | is_member_object_pointer<typename remove_reference<_Fp>::type>::value && |
| 3516 | !is_base_of<typename __member_pointer_traits<typename remove_reference<_Fp>::type>::_ClassType, |
| 3517 | typename remove_reference<_A0>::type>::value |
| 3518 | >::type |
| 3519 | > |
| 3520 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bd89e4b | 2011-05-20 22:02:53 +0000 | [diff] [blame] | 3521 | auto |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3522 | __invoke(_Fp&& __f, _A0&& __a0) |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3523 | -> decltype((*_VSTD::forward<_A0>(__a0)).*__f); |
Eric Fiselier | 8d5cbd7 | 2016-04-20 00:14:32 +0000 | [diff] [blame] | 3524 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3525 | // bullet 5 |
Howard Hinnant | bd89e4b | 2011-05-20 22:02:53 +0000 | [diff] [blame] | 3526 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3527 | template <class _Fp, class ..._Args> |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3528 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bd89e4b | 2011-05-20 22:02:53 +0000 | [diff] [blame] | 3529 | auto |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3530 | __invoke(_Fp&& __f, _Args&& ...__args) |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3531 | -> decltype(_VSTD::forward<_Fp>(__f)(_VSTD::forward<_Args>(__args)...)); |
Howard Hinnant | bd89e4b | 2011-05-20 22:02:53 +0000 | [diff] [blame] | 3532 | |
| 3533 | // __invokable |
| 3534 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3535 | template <class _Fp, class ..._Args> |
| 3536 | struct __invokable_imp |
Howard Hinnant | c425307 | 2012-07-16 16:17:34 +0000 | [diff] [blame] | 3537 | : private __check_complete<_Fp> |
Howard Hinnant | 57cff29 | 2011-05-19 15:05:04 +0000 | [diff] [blame] | 3538 | { |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3539 | typedef decltype( |
| 3540 | __invoke(_VSTD::declval<_Fp>(), _VSTD::declval<_Args>()...) |
| 3541 | ) type; |
| 3542 | static const bool value = !is_same<type, __nat>::value; |
Howard Hinnant | 57cff29 | 2011-05-19 15:05:04 +0000 | [diff] [blame] | 3543 | }; |
| 3544 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3545 | template <class _Fp, class ..._Args> |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3546 | struct __invokable |
| 3547 | : public integral_constant<bool, |
| 3548 | __invokable_imp<_Fp, _Args...>::value> |
Howard Hinnant | 57cff29 | 2011-05-19 15:05:04 +0000 | [diff] [blame] | 3549 | { |
| 3550 | }; |
| 3551 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3552 | // __invoke_of |
| 3553 | |
| 3554 | template <bool _Invokable, class _Fp, class ..._Args> |
| 3555 | struct __invoke_of_imp // false |
Howard Hinnant | 57cff29 | 2011-05-19 15:05:04 +0000 | [diff] [blame] | 3556 | { |
Howard Hinnant | 57cff29 | 2011-05-19 15:05:04 +0000 | [diff] [blame] | 3557 | }; |
| 3558 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3559 | template <class _Fp, class ..._Args> |
| 3560 | struct __invoke_of_imp<true, _Fp, _Args...> |
| 3561 | { |
| 3562 | typedef typename __invokable_imp<_Fp, _Args...>::type type; |
| 3563 | }; |
Eric Fiselier | 8d5cbd7 | 2016-04-20 00:14:32 +0000 | [diff] [blame] | 3564 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 3565 | template <class _Fp, class ..._Args> |
Howard Hinnant | 57cff29 | 2011-05-19 15:05:04 +0000 | [diff] [blame] | 3566 | struct __invoke_of |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3567 | : public __invoke_of_imp<__invokable<_Fp, _Args...>::value, _Fp, _Args...> |
Howard Hinnant | 57cff29 | 2011-05-19 15:05:04 +0000 | [diff] [blame] | 3568 | { |
| 3569 | }; |
| 3570 | |
Howard Hinnant | 2d62229 | 2012-06-26 17:37:15 +0000 | [diff] [blame] | 3571 | template <class _Fp, class ..._Args> |
Howard Hinnant | 0f678bd | 2013-08-12 18:38:34 +0000 | [diff] [blame] | 3572 | class _LIBCPP_TYPE_VIS_ONLY result_of<_Fp(_Args...)> |
Howard Hinnant | 2d62229 | 2012-06-26 17:37:15 +0000 | [diff] [blame] | 3573 | : public __invoke_of<_Fp, _Args...> |
| 3574 | { |
| 3575 | }; |
| 3576 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 3577 | #if _LIBCPP_STD_VER > 11 |
| 3578 | template <class _Tp> using result_of_t = typename result_of<_Tp>::type; |
| 3579 | #endif |
| 3580 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3581 | #endif // _LIBCPP_HAS_NO_VARIADICS |
Eric Fiselier | 8f1e73d | 2016-04-21 23:38:59 +0000 | [diff] [blame] | 3582 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 3583 | template <class _Tp> |
| 3584 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | d36369d | 2011-07-27 18:34:06 +0000 | [diff] [blame] | 3585 | #ifndef _LIBCPP_HAS_NO_ADVANCED_SFINAE |
Howard Hinnant | 1694d23 | 2011-05-28 14:41:13 +0000 | [diff] [blame] | 3586 | typename enable_if |
| 3587 | < |
| 3588 | is_move_constructible<_Tp>::value && |
| 3589 | is_move_assignable<_Tp>::value |
| 3590 | >::type |
Howard Hinnant | d36369d | 2011-07-27 18:34:06 +0000 | [diff] [blame] | 3591 | #else |
| 3592 | void |
| 3593 | #endif |
Howard Hinnant | e9b2c2d | 2011-05-27 15:04:19 +0000 | [diff] [blame] | 3594 | swap(_Tp& __x, _Tp& __y) _NOEXCEPT_(is_nothrow_move_constructible<_Tp>::value && |
| 3595 | is_nothrow_move_assignable<_Tp>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 3596 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 3597 | _Tp __t(_VSTD::move(__x)); |
| 3598 | __x = _VSTD::move(__y); |
| 3599 | __y = _VSTD::move(__t); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 3600 | } |
| 3601 | |
Howard Hinnant | e9b2c2d | 2011-05-27 15:04:19 +0000 | [diff] [blame] | 3602 | template <class _ForwardIterator1, class _ForwardIterator2> |
| 3603 | inline _LIBCPP_INLINE_VISIBILITY |
| 3604 | void |
| 3605 | iter_swap(_ForwardIterator1 __a, _ForwardIterator2 __b) |
| 3606 | // _NOEXCEPT_(_NOEXCEPT_(swap(*__a, *__b))) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 3607 | _NOEXCEPT_(_NOEXCEPT_(swap(*_VSTD::declval<_ForwardIterator1>(), |
| 3608 | *_VSTD::declval<_ForwardIterator2>()))) |
Howard Hinnant | e9b2c2d | 2011-05-27 15:04:19 +0000 | [diff] [blame] | 3609 | { |
| 3610 | swap(*__a, *__b); |
| 3611 | } |
| 3612 | |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 3613 | // __swappable |
| 3614 | |
Howard Hinnant | 1694d23 | 2011-05-28 14:41:13 +0000 | [diff] [blame] | 3615 | namespace __detail |
| 3616 | { |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3617 | |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 3618 | using _VSTD::swap; |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 3619 | __nat swap(__any, __any); |
| 3620 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3621 | template <class _Tp> |
| 3622 | struct __swappable |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 3623 | { |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3624 | typedef decltype(swap(_VSTD::declval<_Tp&>(), _VSTD::declval<_Tp&>())) type; |
| 3625 | static const bool value = !is_same<type, __nat>::value; |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 3626 | }; |
| 3627 | |
Howard Hinnant | 1694d23 | 2011-05-28 14:41:13 +0000 | [diff] [blame] | 3628 | } // __detail |
| 3629 | |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 3630 | template <class _Tp> |
| 3631 | struct __is_swappable |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3632 | : public integral_constant<bool, __detail::__swappable<_Tp>::value> |
| 3633 | { |
| 3634 | }; |
| 3635 | |
| 3636 | #if __has_feature(cxx_noexcept) || (_GNUC_VER >= 407 && __cplusplus >= 201103L) |
| 3637 | |
| 3638 | template <bool, class _Tp> |
| 3639 | struct __is_nothrow_swappable_imp |
| 3640 | : public integral_constant<bool, noexcept(swap(_VSTD::declval<_Tp&>(), |
| 3641 | _VSTD::declval<_Tp&>()))> |
| 3642 | { |
| 3643 | }; |
| 3644 | |
| 3645 | template <class _Tp> |
| 3646 | struct __is_nothrow_swappable_imp<false, _Tp> |
| 3647 | : public false_type |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 3648 | { |
| 3649 | }; |
| 3650 | |
| 3651 | template <class _Tp> |
| 3652 | struct __is_nothrow_swappable |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3653 | : public __is_nothrow_swappable_imp<__is_swappable<_Tp>::value, _Tp> |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 3654 | { |
| 3655 | }; |
| 3656 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3657 | #else // __has_feature(cxx_noexcept) |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 3658 | |
| 3659 | template <class _Tp> |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3660 | struct __is_nothrow_swappable |
| 3661 | : public false_type |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 3662 | { |
| 3663 | }; |
| 3664 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3665 | #endif // __has_feature(cxx_noexcept) |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 3666 | |
Marshall Clow | 81aa3a7 | 2014-06-26 01:07:56 +0000 | [diff] [blame] | 3667 | #ifdef _LIBCPP_UNDERLYING_TYPE |
Sean Hunt | 737a351 | 2011-07-18 18:37:21 +0000 | [diff] [blame] | 3668 | |
| 3669 | template <class _Tp> |
| 3670 | struct underlying_type |
| 3671 | { |
Marshall Clow | 81aa3a7 | 2014-06-26 01:07:56 +0000 | [diff] [blame] | 3672 | typedef _LIBCPP_UNDERLYING_TYPE(_Tp) type; |
Sean Hunt | 737a351 | 2011-07-18 18:37:21 +0000 | [diff] [blame] | 3673 | }; |
| 3674 | |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 3675 | #if _LIBCPP_STD_VER > 11 |
| 3676 | template <class _Tp> using underlying_type_t = typename underlying_type<_Tp>::type; |
| 3677 | #endif |
| 3678 | |
Marshall Clow | 81aa3a7 | 2014-06-26 01:07:56 +0000 | [diff] [blame] | 3679 | #else // _LIBCPP_UNDERLYING_TYPE |
Sean Hunt | 737a351 | 2011-07-18 18:37:21 +0000 | [diff] [blame] | 3680 | |
| 3681 | template <class _Tp, bool _Support = false> |
| 3682 | struct underlying_type |
| 3683 | { |
| 3684 | static_assert(_Support, "The underyling_type trait requires compiler " |
| 3685 | "support. Either no such support exists or " |
| 3686 | "libc++ does not know how to use it."); |
| 3687 | }; |
| 3688 | |
Marshall Clow | 81aa3a7 | 2014-06-26 01:07:56 +0000 | [diff] [blame] | 3689 | #endif // _LIBCPP_UNDERLYING_TYPE |
Sean Hunt | 737a351 | 2011-07-18 18:37:21 +0000 | [diff] [blame] | 3690 | |
Eric Fiselier | 31cb7fe | 2015-02-10 16:46:42 +0000 | [diff] [blame] | 3691 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3692 | template <class _Tp, bool = std::is_enum<_Tp>::value> |
Eric Fiselier | 31cb7fe | 2015-02-10 16:46:42 +0000 | [diff] [blame] | 3693 | struct __sfinae_underlying_type |
| 3694 | { |
| 3695 | typedef typename underlying_type<_Tp>::type type; |
| 3696 | typedef decltype(((type)1) + 0) __promoted_type; |
| 3697 | }; |
| 3698 | |
| 3699 | template <class _Tp> |
| 3700 | struct __sfinae_underlying_type<_Tp, false> {}; |
| 3701 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3702 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_ALWAYS_INLINE |
Eric Fiselier | 31cb7fe | 2015-02-10 16:46:42 +0000 | [diff] [blame] | 3703 | int __convert_to_integral(int __val) { return __val; } |
| 3704 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3705 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_ALWAYS_INLINE |
Eric Fiselier | 31cb7fe | 2015-02-10 16:46:42 +0000 | [diff] [blame] | 3706 | unsigned __convert_to_integral(unsigned __val) { return __val; } |
| 3707 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3708 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_ALWAYS_INLINE |
Eric Fiselier | 31cb7fe | 2015-02-10 16:46:42 +0000 | [diff] [blame] | 3709 | long __convert_to_integral(long __val) { return __val; } |
| 3710 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3711 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_ALWAYS_INLINE |
Eric Fiselier | 31cb7fe | 2015-02-10 16:46:42 +0000 | [diff] [blame] | 3712 | unsigned long __convert_to_integral(unsigned long __val) { return __val; } |
| 3713 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3714 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_ALWAYS_INLINE |
Eric Fiselier | 31cb7fe | 2015-02-10 16:46:42 +0000 | [diff] [blame] | 3715 | long long __convert_to_integral(long long __val) { return __val; } |
| 3716 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3717 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_ALWAYS_INLINE |
Eric Fiselier | 31cb7fe | 2015-02-10 16:46:42 +0000 | [diff] [blame] | 3718 | unsigned long long __convert_to_integral(unsigned long long __val) {return __val; } |
| 3719 | |
| 3720 | #ifndef _LIBCPP_HAS_NO_INT128 |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3721 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_ALWAYS_INLINE |
Eric Fiselier | 31cb7fe | 2015-02-10 16:46:42 +0000 | [diff] [blame] | 3722 | __int128_t __convert_to_integral(__int128_t __val) { return __val; } |
| 3723 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3724 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_ALWAYS_INLINE |
Eric Fiselier | 31cb7fe | 2015-02-10 16:46:42 +0000 | [diff] [blame] | 3725 | __uint128_t __convert_to_integral(__uint128_t __val) { return __val; } |
| 3726 | #endif |
| 3727 | |
| 3728 | template <class _Tp> |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 3729 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_ALWAYS_INLINE |
Eric Fiselier | 31cb7fe | 2015-02-10 16:46:42 +0000 | [diff] [blame] | 3730 | typename __sfinae_underlying_type<_Tp>::__promoted_type |
| 3731 | __convert_to_integral(_Tp __val) { return __val; } |
| 3732 | |
Howard Hinnant | 01afa5c | 2013-09-02 20:30:37 +0000 | [diff] [blame] | 3733 | #ifndef _LIBCPP_HAS_NO_ADVANCED_SFINAE |
| 3734 | |
| 3735 | template <class _Tp> |
Eric Fiselier | 341b590 | 2014-11-05 20:59:18 +0000 | [diff] [blame] | 3736 | struct __has_operator_addressof_member_imp |
Howard Hinnant | 01afa5c | 2013-09-02 20:30:37 +0000 | [diff] [blame] | 3737 | { |
Howard Hinnant | 01afa5c | 2013-09-02 20:30:37 +0000 | [diff] [blame] | 3738 | template <class _Up> |
Eric Fiselier | b6e0ef2 | 2014-11-05 21:20:10 +0000 | [diff] [blame] | 3739 | static auto __test(int) |
| 3740 | -> typename __select_2nd<decltype(_VSTD::declval<_Up>().operator&()), true_type>::type; |
| 3741 | template <class> |
| 3742 | static auto __test(long) -> false_type; |
Howard Hinnant | 01afa5c | 2013-09-02 20:30:37 +0000 | [diff] [blame] | 3743 | |
Eric Fiselier | b6e0ef2 | 2014-11-05 21:20:10 +0000 | [diff] [blame] | 3744 | static const bool value = decltype(__test<_Tp>(0))::value; |
Howard Hinnant | 01afa5c | 2013-09-02 20:30:37 +0000 | [diff] [blame] | 3745 | }; |
| 3746 | |
| 3747 | template <class _Tp> |
Eric Fiselier | 341b590 | 2014-11-05 20:59:18 +0000 | [diff] [blame] | 3748 | struct __has_operator_addressof_free_imp |
| 3749 | { |
Eric Fiselier | 341b590 | 2014-11-05 20:59:18 +0000 | [diff] [blame] | 3750 | template <class _Up> |
Eric Fiselier | b6e0ef2 | 2014-11-05 21:20:10 +0000 | [diff] [blame] | 3751 | static auto __test(int) |
| 3752 | -> typename __select_2nd<decltype(operator&(_VSTD::declval<_Up>())), true_type>::type; |
| 3753 | template <class> |
| 3754 | static auto __test(long) -> false_type; |
Eric Fiselier | 341b590 | 2014-11-05 20:59:18 +0000 | [diff] [blame] | 3755 | |
Eric Fiselier | b6e0ef2 | 2014-11-05 21:20:10 +0000 | [diff] [blame] | 3756 | static const bool value = decltype(__test<_Tp>(0))::value; |
Eric Fiselier | 341b590 | 2014-11-05 20:59:18 +0000 | [diff] [blame] | 3757 | }; |
| 3758 | |
| 3759 | template <class _Tp> |
Howard Hinnant | 01afa5c | 2013-09-02 20:30:37 +0000 | [diff] [blame] | 3760 | struct __has_operator_addressof |
Eric Fiselier | 341b590 | 2014-11-05 20:59:18 +0000 | [diff] [blame] | 3761 | : public integral_constant<bool, __has_operator_addressof_member_imp<_Tp>::value |
| 3762 | || __has_operator_addressof_free_imp<_Tp>::value> |
Howard Hinnant | 01afa5c | 2013-09-02 20:30:37 +0000 | [diff] [blame] | 3763 | {}; |
| 3764 | |
| 3765 | #endif // _LIBCPP_HAS_NO_ADVANCED_SFINAE |
| 3766 | |
Marshall Clow | 88aae92 | 2014-11-17 15:50:08 +0000 | [diff] [blame] | 3767 | #if _LIBCPP_STD_VER > 14 |
| 3768 | template <class...> using void_t = void; |
Eric Fiselier | 83c9dc1 | 2016-04-15 23:27:27 +0000 | [diff] [blame] | 3769 | #endif |
| 3770 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 3771 | _LIBCPP_END_NAMESPACE_STD |
| 3772 | |
| 3773 | #endif // _LIBCPP_TYPE_TRAITS |