Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===--------------------------- tuple ------------------------------------===// |
| 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 | // |
| 6 | // This file is distributed under the University of Illinois Open Source |
| 7 | // License. See LICENSE.TXT for details. |
| 8 | // |
| 9 | //===----------------------------------------------------------------------===// |
| 10 | |
| 11 | #ifndef _LIBCPP_TUPLE |
| 12 | #define _LIBCPP_TUPLE |
| 13 | |
| 14 | /* |
| 15 | tuple synopsis |
| 16 | |
| 17 | namespace std |
| 18 | { |
| 19 | |
| 20 | template <class... T> |
| 21 | class tuple { |
| 22 | public: |
| 23 | constexpr tuple(); |
| 24 | explicit tuple(const T&...); |
| 25 | template <class... U> |
| 26 | explicit tuple(U&&...); |
| 27 | tuple(const tuple&) = default; |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 28 | tuple(tuple&&) = default; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 29 | template <class... U> |
| 30 | tuple(const tuple<U...>&); |
| 31 | template <class... U> |
| 32 | tuple(tuple<U...>&&); |
| 33 | template <class U1, class U2> |
| 34 | tuple(const pair<U1, U2>&); // iff sizeof...(T) == 2 |
| 35 | template <class U1, class U2> |
| 36 | tuple(pair<U1, U2>&&); // iff sizeof...(T) == 2 |
| 37 | |
| 38 | // allocator-extended constructors |
| 39 | template <class Alloc> |
| 40 | tuple(allocator_arg_t, const Alloc& a); |
| 41 | template <class Alloc> |
| 42 | tuple(allocator_arg_t, const Alloc& a, const T&...); |
| 43 | template <class Alloc, class... U> |
| 44 | tuple(allocator_arg_t, const Alloc& a, U&&...); |
| 45 | template <class Alloc> |
| 46 | tuple(allocator_arg_t, const Alloc& a, const tuple&); |
| 47 | template <class Alloc> |
| 48 | tuple(allocator_arg_t, const Alloc& a, tuple&&); |
| 49 | template <class Alloc, class... U> |
| 50 | tuple(allocator_arg_t, const Alloc& a, const tuple<U...>&); |
| 51 | template <class Alloc, class... U> |
| 52 | tuple(allocator_arg_t, const Alloc& a, tuple<U...>&&); |
| 53 | template <class Alloc, class U1, class U2> |
| 54 | tuple(allocator_arg_t, const Alloc& a, const pair<U1, U2>&); |
| 55 | template <class Alloc, class U1, class U2> |
| 56 | tuple(allocator_arg_t, const Alloc& a, pair<U1, U2>&&); |
| 57 | |
| 58 | tuple& operator=(const tuple&); |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 59 | tuple& |
| 60 | operator=(tuple&&) noexcept(AND(is_nothrow_move_assignable<T>::value ...)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 61 | template <class... U> |
| 62 | tuple& operator=(const tuple<U...>&); |
| 63 | template <class... U> |
| 64 | tuple& operator=(tuple<U...>&&); |
| 65 | template <class U1, class U2> |
| 66 | tuple& operator=(const pair<U1, U2>&); // iff sizeof...(T) == 2 |
| 67 | template <class U1, class U2> |
| 68 | tuple& operator=(pair<U1, U2>&&); //iffsizeof...(T) == 2 |
| 69 | |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 70 | void swap(tuple&) noexcept(AND(swap(declval<T&>(), declval<T&>())...)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 71 | }; |
| 72 | |
| 73 | const unspecified ignore; |
| 74 | |
| 75 | template <class... T> tuple<V...> make_tuple(T&&...); |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 76 | template <class... T> tuple<ATypes...> forward_as_tuple(T&&...) noexcept; |
| 77 | template <class... T> tuple<T&...> tie(T&...) noexcept; |
Howard Hinnant | 0e1493e | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 78 | template <class... Tuples> tuple<CTypes...> tuple_cat(Tuples&&... tpls); |
| 79 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 80 | // 20.4.1.4, tuple helper classes: |
| 81 | template <class T> class tuple_size; // undefined |
| 82 | template <class... T> class tuple_size<tuple<T...>>; |
| 83 | template <intsize_t I, class T> class tuple_element; // undefined |
| 84 | template <intsize_t I, class... T> class tuple_element<I, tuple<T...>>; |
| 85 | |
| 86 | // 20.4.1.5, element access: |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 87 | template <intsize_t I, class... T> |
| 88 | typename tuple_element<I, tuple<T...>>::type& |
| 89 | get(tuple<T...>&) noexcept; |
| 90 | template <intsize_t I, class... T> |
| 91 | typename tuple_element<I, tuple<T...>>::type const& |
| 92 | get(const tuple<T...>&) noexcept; |
| 93 | template <intsize_t I, class... T> |
| 94 | typename tuple_element<I, tuple<T...>>::type&& |
| 95 | get(tuple<T...>&&) noexcept; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 96 | |
Marshall Clow | e8029e5 | 2013-07-13 02:54:05 +0000 | [diff] [blame^] | 97 | template <class T1, class... T> |
| 98 | constexpr T1& get(tuple<T...>&) noexcept; // C++14 |
| 99 | template <class T1, class... T> |
| 100 | constexpr T1 const& get(const tuple<T...>&) noexcept; // C++14 |
| 101 | template <class T1, class... T> |
| 102 | constexpr T1&& get(tuple<T...>&&) noexcept; // C++14 |
| 103 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 104 | // 20.4.1.6, relational operators: |
| 105 | template<class... T, class... U> bool operator==(const tuple<T...>&, const tuple<U...>&); |
| 106 | template<class... T, class... U> bool operator<(const tuple<T...>&, const tuple<U...>&); |
| 107 | template<class... T, class... U> bool operator!=(const tuple<T...>&, const tuple<U...>&); |
| 108 | template<class... T, class... U> bool operator>(const tuple<T...>&, const tuple<U...>&); |
| 109 | template<class... T, class... U> bool operator<=(const tuple<T...>&, const tuple<U...>&); |
| 110 | template<class... T, class... U> bool operator>=(const tuple<T...>&, const tuple<U...>&); |
| 111 | |
| 112 | template <class... Types, class Alloc> |
| 113 | struct uses_allocator<tuple<Types...>, Alloc>; |
| 114 | |
| 115 | template <class... Types> |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 116 | void |
| 117 | swap(tuple<Types...>& x, tuple<Types...>& y) noexcept(noexcept(x.swap(y))); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 118 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 119 | } // std |
| 120 | |
| 121 | */ |
| 122 | |
| 123 | #include <__config> |
| 124 | #include <__tuple> |
| 125 | #include <cstddef> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 126 | #include <type_traits> |
Howard Hinnant | 6cc99fa | 2011-12-19 17:58:44 +0000 | [diff] [blame] | 127 | #include <__functional_base> |
| 128 | #include <utility> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 129 | |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 130 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 131 | #pragma GCC system_header |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 132 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 133 | |
| 134 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 135 | |
Howard Hinnant | 6cc99fa | 2011-12-19 17:58:44 +0000 | [diff] [blame] | 136 | // allocator_arg_t |
| 137 | |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 138 | struct _LIBCPP_TYPE_VIS allocator_arg_t { }; |
Howard Hinnant | 6cc99fa | 2011-12-19 17:58:44 +0000 | [diff] [blame] | 139 | |
Howard Hinnant | 46e9493 | 2012-07-07 20:56:04 +0000 | [diff] [blame] | 140 | #if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_MEMORY) |
Howard Hinnant | 6cc99fa | 2011-12-19 17:58:44 +0000 | [diff] [blame] | 141 | extern const allocator_arg_t allocator_arg; |
Howard Hinnant | 46e9493 | 2012-07-07 20:56:04 +0000 | [diff] [blame] | 142 | #else |
| 143 | constexpr allocator_arg_t allocator_arg = allocator_arg_t(); |
| 144 | #endif |
Howard Hinnant | 6cc99fa | 2011-12-19 17:58:44 +0000 | [diff] [blame] | 145 | |
| 146 | // uses_allocator |
| 147 | |
| 148 | template <class _Tp> |
| 149 | struct __has_allocator_type |
| 150 | { |
| 151 | private: |
Howard Hinnant | 9c0df14 | 2012-10-30 19:06:59 +0000 | [diff] [blame] | 152 | struct __two {char __lx; char __lxx;}; |
Howard Hinnant | 6cc99fa | 2011-12-19 17:58:44 +0000 | [diff] [blame] | 153 | template <class _Up> static __two __test(...); |
| 154 | template <class _Up> static char __test(typename _Up::allocator_type* = 0); |
| 155 | public: |
| 156 | static const bool value = sizeof(__test<_Tp>(0)) == 1; |
| 157 | }; |
| 158 | |
| 159 | template <class _Tp, class _Alloc, bool = __has_allocator_type<_Tp>::value> |
| 160 | struct __uses_allocator |
| 161 | : public integral_constant<bool, |
| 162 | is_convertible<_Alloc, typename _Tp::allocator_type>::value> |
| 163 | { |
| 164 | }; |
| 165 | |
| 166 | template <class _Tp, class _Alloc> |
| 167 | struct __uses_allocator<_Tp, _Alloc, false> |
| 168 | : public false_type |
| 169 | { |
| 170 | }; |
| 171 | |
| 172 | template <class _Tp, class _Alloc> |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 173 | struct _LIBCPP_TYPE_VIS uses_allocator |
Howard Hinnant | 6cc99fa | 2011-12-19 17:58:44 +0000 | [diff] [blame] | 174 | : public __uses_allocator<_Tp, _Alloc> |
| 175 | { |
| 176 | }; |
| 177 | |
| 178 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
| 179 | |
| 180 | // uses-allocator construction |
| 181 | |
| 182 | template <class _Tp, class _Alloc, class ..._Args> |
| 183 | struct __uses_alloc_ctor_imp |
| 184 | { |
| 185 | static const bool __ua = uses_allocator<_Tp, _Alloc>::value; |
| 186 | static const bool __ic = |
| 187 | is_constructible<_Tp, allocator_arg_t, _Alloc, _Args...>::value; |
| 188 | static const int value = __ua ? 2 - __ic : 0; |
| 189 | }; |
| 190 | |
| 191 | template <class _Tp, class _Alloc, class ..._Args> |
| 192 | struct __uses_alloc_ctor |
| 193 | : integral_constant<int, __uses_alloc_ctor_imp<_Tp, _Alloc, _Args...>::value> |
| 194 | {}; |
| 195 | |
| 196 | #endif // _LIBCPP_HAS_NO_VARIADICS |
| 197 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 198 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
| 199 | |
| 200 | // tuple_size |
| 201 | |
| 202 | template <class ..._Tp> |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 203 | class _LIBCPP_TYPE_VIS tuple_size<tuple<_Tp...> > |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 204 | : public integral_constant<size_t, sizeof...(_Tp)> |
| 205 | { |
| 206 | }; |
| 207 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 208 | // tuple_element |
| 209 | |
| 210 | template <size_t _Ip, class ..._Tp> |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 211 | class _LIBCPP_TYPE_VIS tuple_element<_Ip, tuple<_Tp...> > |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 212 | { |
| 213 | public: |
Howard Hinnant | f83417b | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 214 | typedef typename tuple_element<_Ip, __tuple_types<_Tp...> >::type type; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 215 | }; |
| 216 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 217 | // __tuple_leaf |
| 218 | |
Howard Hinnant | d4cf215 | 2011-12-11 20:31:33 +0000 | [diff] [blame] | 219 | template <size_t _Ip, class _Hp, bool=is_empty<_Hp>::value |
| 220 | #if __has_feature(is_final) |
| 221 | && !__is_final(_Hp) |
| 222 | #endif |
| 223 | > |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 224 | class __tuple_leaf; |
| 225 | |
| 226 | template <size_t _Ip, class _Hp, bool _Ep> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 227 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 228 | void swap(__tuple_leaf<_Ip, _Hp, _Ep>& __x, __tuple_leaf<_Ip, _Hp, _Ep>& __y) |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 229 | _NOEXCEPT_(__is_nothrow_swappable<_Hp>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 230 | { |
| 231 | swap(__x.get(), __y.get()); |
| 232 | } |
| 233 | |
| 234 | template <size_t _Ip, class _Hp, bool> |
| 235 | class __tuple_leaf |
| 236 | { |
| 237 | _Hp value; |
| 238 | |
| 239 | __tuple_leaf& operator=(const __tuple_leaf&); |
| 240 | public: |
Howard Hinnant | 4eebfc3 | 2012-07-06 20:50:27 +0000 | [diff] [blame] | 241 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR __tuple_leaf() |
| 242 | _NOEXCEPT_(is_nothrow_default_constructible<_Hp>::value) : value() |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 243 | {static_assert(!is_reference<_Hp>::value, |
| 244 | "Attempted to default construct a reference element in a tuple");} |
| 245 | |
| 246 | template <class _Alloc> |
| 247 | _LIBCPP_INLINE_VISIBILITY |
| 248 | __tuple_leaf(integral_constant<int, 0>, const _Alloc&) |
| 249 | : value() |
| 250 | {static_assert(!is_reference<_Hp>::value, |
| 251 | "Attempted to default construct a reference element in a tuple");} |
| 252 | |
| 253 | template <class _Alloc> |
| 254 | _LIBCPP_INLINE_VISIBILITY |
| 255 | __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a) |
| 256 | : value(allocator_arg_t(), __a) |
| 257 | {static_assert(!is_reference<_Hp>::value, |
| 258 | "Attempted to default construct a reference element in a tuple");} |
| 259 | |
| 260 | template <class _Alloc> |
| 261 | _LIBCPP_INLINE_VISIBILITY |
| 262 | __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a) |
| 263 | : value(__a) |
| 264 | {static_assert(!is_reference<_Hp>::value, |
| 265 | "Attempted to default construct a reference element in a tuple");} |
| 266 | |
Howard Hinnant | e049cc5 | 2010-09-27 17:54:17 +0000 | [diff] [blame] | 267 | template <class _Tp, |
| 268 | class = typename enable_if<is_constructible<_Hp, _Tp>::value>::type> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 269 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 270 | explicit __tuple_leaf(_Tp&& __t) _NOEXCEPT_((is_nothrow_constructible<_Hp, _Tp>::value)) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 271 | : value(_VSTD::forward<_Tp>(__t)) |
Howard Hinnant | e049cc5 | 2010-09-27 17:54:17 +0000 | [diff] [blame] | 272 | {static_assert(!is_reference<_Hp>::value || |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 273 | (is_lvalue_reference<_Hp>::value && |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 274 | (is_lvalue_reference<_Tp>::value || |
| 275 | is_same<typename remove_reference<_Tp>::type, |
| 276 | reference_wrapper< |
| 277 | typename remove_reference<_Hp>::type |
| 278 | > |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 279 | >::value)) || |
Howard Hinnant | e049cc5 | 2010-09-27 17:54:17 +0000 | [diff] [blame] | 280 | (is_rvalue_reference<_Hp>::value && |
| 281 | !is_lvalue_reference<_Tp>::value), |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 282 | "Attempted to construct a reference element in a tuple with an rvalue");} |
| 283 | |
| 284 | template <class _Tp, class _Alloc> |
| 285 | _LIBCPP_INLINE_VISIBILITY |
| 286 | explicit __tuple_leaf(integral_constant<int, 0>, const _Alloc&, _Tp&& __t) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 287 | : value(_VSTD::forward<_Tp>(__t)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 288 | {static_assert(!is_lvalue_reference<_Hp>::value || |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 289 | (is_lvalue_reference<_Hp>::value && |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 290 | (is_lvalue_reference<_Tp>::value || |
| 291 | is_same<typename remove_reference<_Tp>::type, |
| 292 | reference_wrapper< |
| 293 | typename remove_reference<_Hp>::type |
| 294 | > |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 295 | >::value)), |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 296 | "Attempted to construct a reference element in a tuple with an rvalue");} |
| 297 | |
| 298 | template <class _Tp, class _Alloc> |
| 299 | _LIBCPP_INLINE_VISIBILITY |
| 300 | explicit __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a, _Tp&& __t) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 301 | : value(allocator_arg_t(), __a, _VSTD::forward<_Tp>(__t)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 302 | {static_assert(!is_lvalue_reference<_Hp>::value || |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 303 | (is_lvalue_reference<_Hp>::value && |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 304 | (is_lvalue_reference<_Tp>::value || |
| 305 | is_same<typename remove_reference<_Tp>::type, |
| 306 | reference_wrapper< |
| 307 | typename remove_reference<_Hp>::type |
| 308 | > |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 309 | >::value)), |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 310 | "Attempted to construct a reference element in a tuple with an rvalue");} |
| 311 | |
| 312 | template <class _Tp, class _Alloc> |
| 313 | _LIBCPP_INLINE_VISIBILITY |
| 314 | explicit __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a, _Tp&& __t) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 315 | : value(_VSTD::forward<_Tp>(__t), __a) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 316 | {static_assert(!is_lvalue_reference<_Hp>::value || |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 317 | (is_lvalue_reference<_Hp>::value && |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 318 | (is_lvalue_reference<_Tp>::value || |
| 319 | is_same<typename remove_reference<_Tp>::type, |
| 320 | reference_wrapper< |
| 321 | typename remove_reference<_Hp>::type |
| 322 | > |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 323 | >::value)), |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 324 | "Attempted to construct a reference element in a tuple with an rvalue");} |
| 325 | |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 326 | __tuple_leaf(const __tuple_leaf& __t) _NOEXCEPT_(is_nothrow_copy_constructible<_Hp>::value) |
Howard Hinnant | e049cc5 | 2010-09-27 17:54:17 +0000 | [diff] [blame] | 327 | : value(__t.get()) |
| 328 | {static_assert(!is_rvalue_reference<_Hp>::value, "Can not copy a tuple with rvalue reference member");} |
| 329 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 330 | template <class _Tp> |
| 331 | _LIBCPP_INLINE_VISIBILITY |
| 332 | explicit __tuple_leaf(const __tuple_leaf<_Ip, _Tp>& __t) |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 333 | _NOEXCEPT_((is_nothrow_constructible<_Hp, const _Tp&>::value)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 334 | : value(__t.get()) {} |
| 335 | |
| 336 | template <class _Tp> |
| 337 | _LIBCPP_INLINE_VISIBILITY |
| 338 | __tuple_leaf& |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 339 | operator=(_Tp&& __t) _NOEXCEPT_((is_nothrow_assignable<_Hp&, _Tp>::value)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 340 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 341 | value = _VSTD::forward<_Tp>(__t); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 342 | return *this; |
| 343 | } |
| 344 | |
| 345 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 346 | int swap(__tuple_leaf& __t) _NOEXCEPT_(__is_nothrow_swappable<__tuple_leaf>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 347 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 348 | _VSTD::swap(*this, __t); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 349 | return 0; |
| 350 | } |
| 351 | |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 352 | _LIBCPP_INLINE_VISIBILITY _Hp& get() _NOEXCEPT {return value;} |
| 353 | _LIBCPP_INLINE_VISIBILITY const _Hp& get() const _NOEXCEPT {return value;} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 354 | }; |
| 355 | |
| 356 | template <size_t _Ip, class _Hp> |
| 357 | class __tuple_leaf<_Ip, _Hp, true> |
| 358 | : private _Hp |
| 359 | { |
| 360 | |
| 361 | __tuple_leaf& operator=(const __tuple_leaf&); |
| 362 | public: |
Howard Hinnant | 4eebfc3 | 2012-07-06 20:50:27 +0000 | [diff] [blame] | 363 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR __tuple_leaf() |
| 364 | _NOEXCEPT_(is_nothrow_default_constructible<_Hp>::value) {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 365 | |
| 366 | template <class _Alloc> |
| 367 | _LIBCPP_INLINE_VISIBILITY |
| 368 | __tuple_leaf(integral_constant<int, 0>, const _Alloc&) {} |
| 369 | |
| 370 | template <class _Alloc> |
| 371 | _LIBCPP_INLINE_VISIBILITY |
| 372 | __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a) |
| 373 | : _Hp(allocator_arg_t(), __a) {} |
| 374 | |
| 375 | template <class _Alloc> |
| 376 | _LIBCPP_INLINE_VISIBILITY |
| 377 | __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a) |
| 378 | : _Hp(__a) {} |
| 379 | |
Howard Hinnant | e049cc5 | 2010-09-27 17:54:17 +0000 | [diff] [blame] | 380 | template <class _Tp, |
| 381 | class = typename enable_if<is_constructible<_Hp, _Tp>::value>::type> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 382 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 383 | explicit __tuple_leaf(_Tp&& __t) _NOEXCEPT_((is_nothrow_constructible<_Hp, _Tp>::value)) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 384 | : _Hp(_VSTD::forward<_Tp>(__t)) {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 385 | |
| 386 | template <class _Tp, class _Alloc> |
| 387 | _LIBCPP_INLINE_VISIBILITY |
| 388 | explicit __tuple_leaf(integral_constant<int, 0>, const _Alloc&, _Tp&& __t) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 389 | : _Hp(_VSTD::forward<_Tp>(__t)) {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 390 | |
| 391 | template <class _Tp, class _Alloc> |
| 392 | _LIBCPP_INLINE_VISIBILITY |
| 393 | explicit __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a, _Tp&& __t) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 394 | : _Hp(allocator_arg_t(), __a, _VSTD::forward<_Tp>(__t)) {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 395 | |
| 396 | template <class _Tp, class _Alloc> |
| 397 | _LIBCPP_INLINE_VISIBILITY |
| 398 | explicit __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a, _Tp&& __t) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 399 | : _Hp(_VSTD::forward<_Tp>(__t), __a) {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 400 | |
| 401 | template <class _Tp> |
| 402 | _LIBCPP_INLINE_VISIBILITY |
| 403 | explicit __tuple_leaf(const __tuple_leaf<_Ip, _Tp>& __t) |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 404 | _NOEXCEPT_((is_nothrow_constructible<_Hp, const _Tp&>::value)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 405 | : _Hp(__t.get()) {} |
| 406 | |
| 407 | template <class _Tp> |
| 408 | _LIBCPP_INLINE_VISIBILITY |
| 409 | __tuple_leaf& |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 410 | operator=(_Tp&& __t) _NOEXCEPT_((is_nothrow_assignable<_Hp&, _Tp>::value)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 411 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 412 | _Hp::operator=(_VSTD::forward<_Tp>(__t)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 413 | return *this; |
| 414 | } |
| 415 | |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 416 | _LIBCPP_INLINE_VISIBILITY |
| 417 | int |
| 418 | swap(__tuple_leaf& __t) _NOEXCEPT_(__is_nothrow_swappable<__tuple_leaf>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 419 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 420 | _VSTD::swap(*this, __t); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 421 | return 0; |
| 422 | } |
| 423 | |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 424 | _LIBCPP_INLINE_VISIBILITY _Hp& get() _NOEXCEPT {return static_cast<_Hp&>(*this);} |
| 425 | _LIBCPP_INLINE_VISIBILITY const _Hp& get() const _NOEXCEPT {return static_cast<const _Hp&>(*this);} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 426 | }; |
| 427 | |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 428 | template <class ..._Tp> |
| 429 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 430 | void __swallow(_Tp&&...) _NOEXCEPT {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 431 | |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 432 | template <bool ...> struct __all; |
| 433 | |
| 434 | template <> |
| 435 | struct __all<> |
| 436 | { |
| 437 | static const bool value = true; |
| 438 | }; |
| 439 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 440 | template <bool _B0, bool ... _Bp> |
| 441 | struct __all<_B0, _Bp...> |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 442 | { |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 443 | static const bool value = _B0 && __all<_Bp...>::value; |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 444 | }; |
| 445 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 446 | // __tuple_impl |
| 447 | |
| 448 | template<class _Indx, class ..._Tp> struct __tuple_impl; |
| 449 | |
| 450 | template<size_t ..._Indx, class ..._Tp> |
| 451 | struct __tuple_impl<__tuple_indices<_Indx...>, _Tp...> |
| 452 | : public __tuple_leaf<_Indx, _Tp>... |
| 453 | { |
Howard Hinnant | 5394c1e | 2012-07-06 20:39:45 +0000 | [diff] [blame] | 454 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 4eebfc3 | 2012-07-06 20:50:27 +0000 | [diff] [blame] | 455 | _LIBCPP_CONSTEXPR __tuple_impl() |
| 456 | _NOEXCEPT_(__all<is_nothrow_default_constructible<_Tp>::value...>::value) {} |
Howard Hinnant | 5394c1e | 2012-07-06 20:39:45 +0000 | [diff] [blame] | 457 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 458 | template <size_t ..._Uf, class ..._Tf, |
| 459 | size_t ..._Ul, class ..._Tl, class ..._Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 460 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 461 | explicit |
| 462 | __tuple_impl(__tuple_indices<_Uf...>, __tuple_types<_Tf...>, |
| 463 | __tuple_indices<_Ul...>, __tuple_types<_Tl...>, |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 464 | _Up&&... __u) |
| 465 | _NOEXCEPT_((__all<is_nothrow_constructible<_Tf, _Up>::value...>::value && |
| 466 | __all<is_nothrow_default_constructible<_Tl>::value...>::value)) : |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 467 | __tuple_leaf<_Uf, _Tf>(_VSTD::forward<_Up>(__u))..., |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 468 | __tuple_leaf<_Ul, _Tl>()... |
| 469 | {} |
| 470 | |
| 471 | template <class _Alloc, size_t ..._Uf, class ..._Tf, |
| 472 | size_t ..._Ul, class ..._Tl, class ..._Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 473 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 474 | explicit |
| 475 | __tuple_impl(allocator_arg_t, const _Alloc& __a, |
| 476 | __tuple_indices<_Uf...>, __tuple_types<_Tf...>, |
| 477 | __tuple_indices<_Ul...>, __tuple_types<_Tl...>, |
| 478 | _Up&&... __u) : |
| 479 | __tuple_leaf<_Uf, _Tf>(__uses_alloc_ctor<_Tf, _Alloc, _Up>(), __a, |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 480 | _VSTD::forward<_Up>(__u))..., |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 481 | __tuple_leaf<_Ul, _Tl>(__uses_alloc_ctor<_Tl, _Alloc>(), __a)... |
| 482 | {} |
| 483 | |
| 484 | template <class _Tuple, |
| 485 | class = typename enable_if |
| 486 | < |
Howard Hinnant | 9932489 | 2013-04-14 00:01:13 +0000 | [diff] [blame] | 487 | __tuple_constructible<_Tuple, tuple<_Tp...> >::value |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 488 | >::type |
| 489 | > |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 490 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 491 | __tuple_impl(_Tuple&& __t) _NOEXCEPT_((__all<is_nothrow_constructible<_Tp, typename tuple_element<_Indx, |
| 492 | typename __make_tuple_types<_Tuple>::type>::type>::value...>::value)) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 493 | : __tuple_leaf<_Indx, _Tp>(_VSTD::forward<typename tuple_element<_Indx, |
| 494 | typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))... |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 495 | {} |
| 496 | |
| 497 | template <class _Alloc, class _Tuple, |
| 498 | class = typename enable_if |
| 499 | < |
Howard Hinnant | f83417b | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 500 | __tuple_convertible<_Tuple, tuple<_Tp...> >::value |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 501 | >::type |
| 502 | > |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 503 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 504 | __tuple_impl(allocator_arg_t, const _Alloc& __a, _Tuple&& __t) |
| 505 | : __tuple_leaf<_Indx, _Tp>(__uses_alloc_ctor<_Tp, _Alloc, typename tuple_element<_Indx, |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 506 | typename __make_tuple_types<_Tuple>::type>::type>(), __a, |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 507 | _VSTD::forward<typename tuple_element<_Indx, |
| 508 | typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))... |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 509 | {} |
| 510 | |
| 511 | template <class _Tuple> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 512 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 513 | typename enable_if |
| 514 | < |
Howard Hinnant | f83417b | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 515 | __tuple_assignable<_Tuple, tuple<_Tp...> >::value, |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 516 | __tuple_impl& |
| 517 | >::type |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 518 | operator=(_Tuple&& __t) _NOEXCEPT_((__all<is_nothrow_assignable<_Tp&, typename tuple_element<_Indx, |
| 519 | typename __make_tuple_types<_Tuple>::type>::type>::value...>::value)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 520 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 521 | __swallow(__tuple_leaf<_Indx, _Tp>::operator=(_VSTD::forward<typename tuple_element<_Indx, |
| 522 | typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))...); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 523 | return *this; |
| 524 | } |
| 525 | |
Howard Hinnant | 2848444 | 2012-02-15 20:13:52 +0000 | [diff] [blame] | 526 | _LIBCPP_INLINE_VISIBILITY |
| 527 | __tuple_impl& |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 528 | operator=(const __tuple_impl& __t) _NOEXCEPT_((__all<is_nothrow_copy_assignable<_Tp>::value...>::value)) |
Howard Hinnant | 2848444 | 2012-02-15 20:13:52 +0000 | [diff] [blame] | 529 | { |
| 530 | __swallow(__tuple_leaf<_Indx, _Tp>::operator=(static_cast<const __tuple_leaf<_Indx, _Tp>&>(__t).get())...); |
| 531 | return *this; |
| 532 | } |
| 533 | |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 534 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 535 | void swap(__tuple_impl& __t) |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 536 | _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 537 | { |
| 538 | __swallow(__tuple_leaf<_Indx, _Tp>::swap(static_cast<__tuple_leaf<_Indx, _Tp>&>(__t))...); |
| 539 | } |
| 540 | }; |
| 541 | |
| 542 | template <class ..._Tp> |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 543 | class _LIBCPP_TYPE_VIS tuple |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 544 | { |
| 545 | typedef __tuple_impl<typename __make_tuple_indices<sizeof...(_Tp)>::type, _Tp...> base; |
| 546 | |
| 547 | base base_; |
| 548 | |
| 549 | template <size_t _Jp, class ..._Up> friend |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 550 | typename tuple_element<_Jp, tuple<_Up...> >::type& get(tuple<_Up...>&) _NOEXCEPT; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 551 | template <size_t _Jp, class ..._Up> friend |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 552 | const typename tuple_element<_Jp, tuple<_Up...> >::type& get(const tuple<_Up...>&) _NOEXCEPT; |
Howard Hinnant | cd2254b | 2010-11-17 19:52:17 +0000 | [diff] [blame] | 553 | template <size_t _Jp, class ..._Up> friend |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 554 | typename tuple_element<_Jp, tuple<_Up...> >::type&& get(tuple<_Up...>&&) _NOEXCEPT; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 555 | public: |
| 556 | |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 557 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 4eebfc3 | 2012-07-06 20:50:27 +0000 | [diff] [blame] | 558 | _LIBCPP_CONSTEXPR tuple() |
| 559 | _NOEXCEPT_(__all<is_nothrow_default_constructible<_Tp>::value...>::value) {} |
Howard Hinnant | 5394c1e | 2012-07-06 20:39:45 +0000 | [diff] [blame] | 560 | |
| 561 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 562 | explicit tuple(const _Tp& ... __t) _NOEXCEPT_((__all<is_nothrow_copy_constructible<_Tp>::value...>::value)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 563 | : base_(typename __make_tuple_indices<sizeof...(_Tp)>::type(), |
| 564 | typename __make_tuple_types<tuple, sizeof...(_Tp)>::type(), |
| 565 | typename __make_tuple_indices<0>::type(), |
| 566 | typename __make_tuple_types<tuple, 0>::type(), |
| 567 | __t... |
| 568 | ) {} |
| 569 | |
| 570 | template <class _Alloc> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 571 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 572 | tuple(allocator_arg_t, const _Alloc& __a, const _Tp& ... __t) |
| 573 | : base_(allocator_arg_t(), __a, |
| 574 | typename __make_tuple_indices<sizeof...(_Tp)>::type(), |
| 575 | typename __make_tuple_types<tuple, sizeof...(_Tp)>::type(), |
| 576 | typename __make_tuple_indices<0>::type(), |
| 577 | typename __make_tuple_types<tuple, 0>::type(), |
| 578 | __t... |
| 579 | ) {} |
| 580 | |
| 581 | template <class ..._Up, |
Howard Hinnant | dc1345f | 2012-04-01 23:10:42 +0000 | [diff] [blame] | 582 | typename enable_if |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 583 | < |
| 584 | sizeof...(_Up) <= sizeof...(_Tp) && |
| 585 | __tuple_convertible |
| 586 | < |
| 587 | tuple<_Up...>, |
| 588 | typename __make_tuple_types<tuple, |
| 589 | sizeof...(_Up) < sizeof...(_Tp) ? |
| 590 | sizeof...(_Up) : |
| 591 | sizeof...(_Tp)>::type |
Howard Hinnant | dc1345f | 2012-04-01 23:10:42 +0000 | [diff] [blame] | 592 | >::value, |
| 593 | bool |
| 594 | >::type = false |
| 595 | > |
| 596 | _LIBCPP_INLINE_VISIBILITY |
| 597 | tuple(_Up&&... __u) |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 598 | _NOEXCEPT_(( |
| 599 | is_nothrow_constructible< |
| 600 | typename __make_tuple_indices<sizeof...(_Up)>::type, |
| 601 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type, |
| 602 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type, |
| 603 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type, |
| 604 | _Up... |
| 605 | >::value |
| 606 | )) |
Howard Hinnant | dc1345f | 2012-04-01 23:10:42 +0000 | [diff] [blame] | 607 | : base_(typename __make_tuple_indices<sizeof...(_Up)>::type(), |
| 608 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), |
| 609 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 610 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 611 | _VSTD::forward<_Up>(__u)...) {} |
| 612 | |
| 613 | template <class ..._Up, |
| 614 | typename enable_if |
| 615 | < |
| 616 | sizeof...(_Up) <= sizeof...(_Tp) && |
| 617 | __tuple_constructible |
| 618 | < |
| 619 | tuple<_Up...>, |
| 620 | typename __make_tuple_types<tuple, |
| 621 | sizeof...(_Up) < sizeof...(_Tp) ? |
| 622 | sizeof...(_Up) : |
| 623 | sizeof...(_Tp)>::type |
| 624 | >::value && |
| 625 | !__tuple_convertible |
| 626 | < |
| 627 | tuple<_Up...>, |
| 628 | typename __make_tuple_types<tuple, |
| 629 | sizeof...(_Up) < sizeof...(_Tp) ? |
| 630 | sizeof...(_Up) : |
| 631 | sizeof...(_Tp)>::type |
| 632 | >::value, |
| 633 | bool |
| 634 | >::type =false |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 635 | > |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 636 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 637 | explicit |
| 638 | tuple(_Up&&... __u) |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 639 | _NOEXCEPT_(( |
| 640 | is_nothrow_constructible< |
| 641 | typename __make_tuple_indices<sizeof...(_Up)>::type, |
| 642 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type, |
| 643 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type, |
| 644 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type, |
| 645 | _Up... |
| 646 | >::value |
| 647 | )) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 648 | : base_(typename __make_tuple_indices<sizeof...(_Up)>::type(), |
| 649 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), |
| 650 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 651 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 652 | _VSTD::forward<_Up>(__u)...) {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 653 | |
| 654 | template <class _Alloc, class ..._Up, |
| 655 | class = typename enable_if |
| 656 | < |
| 657 | sizeof...(_Up) <= sizeof...(_Tp) && |
| 658 | __tuple_convertible |
| 659 | < |
| 660 | tuple<_Up...>, |
| 661 | typename __make_tuple_types<tuple, |
| 662 | sizeof...(_Up) < sizeof...(_Tp) ? |
| 663 | sizeof...(_Up) : |
| 664 | sizeof...(_Tp)>::type |
| 665 | >::value |
| 666 | >::type |
| 667 | > |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 668 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 669 | tuple(allocator_arg_t, const _Alloc& __a, _Up&&... __u) |
| 670 | : base_(allocator_arg_t(), __a, |
| 671 | typename __make_tuple_indices<sizeof...(_Up)>::type(), |
| 672 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), |
| 673 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 674 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 675 | _VSTD::forward<_Up>(__u)...) {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 676 | |
| 677 | template <class _Tuple, |
Howard Hinnant | dc1345f | 2012-04-01 23:10:42 +0000 | [diff] [blame] | 678 | typename enable_if |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 679 | < |
Howard Hinnant | dc1345f | 2012-04-01 23:10:42 +0000 | [diff] [blame] | 680 | __tuple_convertible<_Tuple, tuple>::value, |
| 681 | bool |
| 682 | >::type = false |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 683 | > |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 684 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 685 | tuple(_Tuple&& __t) _NOEXCEPT_((is_nothrow_constructible<base, _Tuple>::value)) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 686 | : base_(_VSTD::forward<_Tuple>(__t)) {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 687 | |
Howard Hinnant | dc1345f | 2012-04-01 23:10:42 +0000 | [diff] [blame] | 688 | template <class _Tuple, |
| 689 | typename enable_if |
| 690 | < |
| 691 | __tuple_constructible<_Tuple, tuple>::value && |
| 692 | !__tuple_convertible<_Tuple, tuple>::value, |
| 693 | bool |
| 694 | >::type = false |
| 695 | > |
| 696 | _LIBCPP_INLINE_VISIBILITY |
| 697 | explicit |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 698 | tuple(_Tuple&& __t) _NOEXCEPT_((is_nothrow_constructible<base, _Tuple>::value)) |
Howard Hinnant | dc1345f | 2012-04-01 23:10:42 +0000 | [diff] [blame] | 699 | : base_(_VSTD::forward<_Tuple>(__t)) {} |
| 700 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 701 | template <class _Alloc, class _Tuple, |
| 702 | class = typename enable_if |
| 703 | < |
| 704 | __tuple_convertible<_Tuple, tuple>::value |
| 705 | >::type |
| 706 | > |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 707 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 708 | tuple(allocator_arg_t, const _Alloc& __a, _Tuple&& __t) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 709 | : base_(allocator_arg_t(), __a, _VSTD::forward<_Tuple>(__t)) {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 710 | |
| 711 | template <class _Tuple, |
| 712 | class = typename enable_if |
| 713 | < |
| 714 | __tuple_assignable<_Tuple, tuple>::value |
| 715 | >::type |
| 716 | > |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 717 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 718 | tuple& |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 719 | operator=(_Tuple&& __t) _NOEXCEPT_((is_nothrow_assignable<base&, _Tuple>::value)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 720 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 721 | base_.operator=(_VSTD::forward<_Tuple>(__t)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 722 | return *this; |
| 723 | } |
| 724 | |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 725 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 726 | void swap(tuple& __t) _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) |
| 727 | {base_.swap(__t.base_);} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 728 | }; |
| 729 | |
| 730 | template <> |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 731 | class _LIBCPP_TYPE_VIS tuple<> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 732 | { |
| 733 | public: |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 734 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 4eebfc3 | 2012-07-06 20:50:27 +0000 | [diff] [blame] | 735 | _LIBCPP_CONSTEXPR tuple() _NOEXCEPT {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 736 | template <class _Alloc> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 737 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 738 | tuple(allocator_arg_t, const _Alloc&) _NOEXCEPT {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 739 | template <class _Alloc> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 740 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 741 | tuple(allocator_arg_t, const _Alloc&, const tuple&) _NOEXCEPT {} |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 742 | template <class _Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 743 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 744 | tuple(array<_Up, 0>) _NOEXCEPT {} |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 745 | template <class _Alloc, class _Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 746 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 747 | tuple(allocator_arg_t, const _Alloc&, array<_Up, 0>) _NOEXCEPT {} |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 748 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 749 | void swap(tuple&) _NOEXCEPT {} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 750 | }; |
| 751 | |
| 752 | template <class ..._Tp> |
| 753 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | aabf287 | 2011-06-01 19:59:32 +0000 | [diff] [blame] | 754 | typename enable_if |
| 755 | < |
| 756 | __all<__is_swappable<_Tp>::value...>::value, |
| 757 | void |
| 758 | >::type |
Howard Hinnant | a5e0121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 759 | swap(tuple<_Tp...>& __t, tuple<_Tp...>& __u) |
| 760 | _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) |
| 761 | {__t.swap(__u);} |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 762 | |
| 763 | // get |
| 764 | |
| 765 | template <size_t _Ip, class ..._Tp> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 766 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | f83417b | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 767 | typename tuple_element<_Ip, tuple<_Tp...> >::type& |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 768 | get(tuple<_Tp...>& __t) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 769 | { |
Howard Hinnant | f83417b | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 770 | typedef typename tuple_element<_Ip, tuple<_Tp...> >::type type; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 771 | return static_cast<__tuple_leaf<_Ip, type>&>(__t.base_).get(); |
| 772 | } |
| 773 | |
| 774 | template <size_t _Ip, class ..._Tp> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 775 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | f83417b | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 776 | const typename tuple_element<_Ip, tuple<_Tp...> >::type& |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 777 | get(const tuple<_Tp...>& __t) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 778 | { |
Howard Hinnant | f83417b | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 779 | typedef typename tuple_element<_Ip, tuple<_Tp...> >::type type; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 780 | return static_cast<const __tuple_leaf<_Ip, type>&>(__t.base_).get(); |
| 781 | } |
| 782 | |
Howard Hinnant | cd2254b | 2010-11-17 19:52:17 +0000 | [diff] [blame] | 783 | template <size_t _Ip, class ..._Tp> |
| 784 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | f83417b | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 785 | typename tuple_element<_Ip, tuple<_Tp...> >::type&& |
Howard Hinnant | ec3773c | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 786 | get(tuple<_Tp...>&& __t) _NOEXCEPT |
Howard Hinnant | cd2254b | 2010-11-17 19:52:17 +0000 | [diff] [blame] | 787 | { |
Howard Hinnant | f83417b | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 788 | typedef typename tuple_element<_Ip, tuple<_Tp...> >::type type; |
Howard Hinnant | 56a85ca | 2011-01-25 16:31:30 +0000 | [diff] [blame] | 789 | return static_cast<type&&>( |
Douglas Gregor | 6c66994 | 2011-01-25 16:14:21 +0000 | [diff] [blame] | 790 | static_cast<__tuple_leaf<_Ip, type>&&>(__t.base_).get()); |
Howard Hinnant | cd2254b | 2010-11-17 19:52:17 +0000 | [diff] [blame] | 791 | } |
| 792 | |
Marshall Clow | e8029e5 | 2013-07-13 02:54:05 +0000 | [diff] [blame^] | 793 | #if _LIBCPP_STD_VER > 11 |
| 794 | // get by type |
| 795 | template <typename _T1, size_t _Idx, typename... _Args> |
| 796 | struct __find_exactly_one_t_helper; |
| 797 | |
| 798 | // -- find exactly one |
| 799 | template <typename _T1, size_t _Idx, typename... _Args> |
| 800 | struct __find_exactly_one_t_checker { |
| 801 | static constexpr size_t value = _Idx; |
| 802 | // Check the rest of the list to make sure there's only one |
| 803 | static_assert ( __find_exactly_one_t_helper<_T1, 0, _Args...>::value == -1, "type can only occur once in type list" ); |
| 804 | }; |
| 805 | |
| 806 | |
| 807 | template <typename _T1, size_t _Idx> |
| 808 | struct __find_exactly_one_t_helper <_T1, _Idx> { |
| 809 | static constexpr size_t value = -1; |
| 810 | }; |
| 811 | |
| 812 | template <typename _T1, size_t _Idx, typename _Head, typename... _Args> |
| 813 | struct __find_exactly_one_t_helper <_T1, _Idx, _Head, _Args...> { |
| 814 | static constexpr size_t value = |
| 815 | std::conditional< |
| 816 | std::is_same<_T1, _Head>::value, |
| 817 | __find_exactly_one_t_checker<_T1, _Idx, Â Â _Args...>, |
| 818 | __find_exactly_one_t_helper <_T1, _Idx+1, _Args...> |
| 819 | >::type::value; |
| 820 | }; |
| 821 | |
| 822 | template <typename _T1, typename... _Args> |
| 823 | struct __find_exactly_one_t { |
| 824 | static constexpr size_t value = __find_exactly_one_t_helper<_T1, 0, _Args...>::value; |
| 825 | static_assert ( value != -1, "type not found in type list" ); |
| 826 | }; |
| 827 | |
| 828 | template <class _T1, class... _Args> |
| 829 | inline _LIBCPP_INLINE_VISIBILITY |
| 830 | constexpr _T1& get(tuple<_Args...>& __tup) noexcept |
| 831 | { |
| 832 | return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(__tup); |
| 833 | } |
| 834 | |
| 835 | template <class _T1, class... _Args> |
| 836 | inline _LIBCPP_INLINE_VISIBILITY |
| 837 | constexpr _T1 const& get(tuple<_Args...> const& __tup) noexcept |
| 838 | { |
| 839 | return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(__tup); |
| 840 | } |
| 841 | |
| 842 | template <class _T1, class... _Args> |
| 843 | inline _LIBCPP_INLINE_VISIBILITY |
| 844 | constexpr _T1&& get(tuple<_Args...>&& __tup) noexcept |
| 845 | { |
| 846 | return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(_VSTD::move<tuple<_Args...>>(__tup)); |
| 847 | } |
| 848 | |
| 849 | #endif |
| 850 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 851 | // tie |
| 852 | |
| 853 | template <class ..._Tp> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 854 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 855 | tuple<_Tp&...> |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 856 | tie(_Tp&... __t) _NOEXCEPT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 857 | { |
| 858 | return tuple<_Tp&...>(__t...); |
| 859 | } |
| 860 | |
| 861 | template <class _Up> |
| 862 | struct __ignore_t |
| 863 | { |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 864 | template <class _Tp> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 865 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 866 | const __ignore_t& operator=(_Tp&&) const {return *this;} |
| 867 | }; |
| 868 | |
| 869 | namespace { const __ignore_t<unsigned char> ignore = __ignore_t<unsigned char>(); } |
| 870 | |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 871 | template <class _Tp> class _LIBCPP_TYPE_VIS reference_wrapper; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 872 | |
| 873 | template <class _Tp> |
| 874 | struct ___make_tuple_return |
| 875 | { |
| 876 | typedef _Tp type; |
| 877 | }; |
| 878 | |
| 879 | template <class _Tp> |
Howard Hinnant | f83417b | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 880 | struct ___make_tuple_return<reference_wrapper<_Tp> > |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 881 | { |
| 882 | typedef _Tp& type; |
| 883 | }; |
| 884 | |
| 885 | template <class _Tp> |
| 886 | struct __make_tuple_return |
| 887 | { |
| 888 | typedef typename ___make_tuple_return<typename decay<_Tp>::type>::type type; |
| 889 | }; |
| 890 | |
| 891 | template <class... _Tp> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 892 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 893 | tuple<typename __make_tuple_return<_Tp>::type...> |
| 894 | make_tuple(_Tp&&... __t) |
| 895 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 896 | return tuple<typename __make_tuple_return<_Tp>::type...>(_VSTD::forward<_Tp>(__t)...); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 897 | } |
| 898 | |
Howard Hinnant | 3c1ffba | 2010-08-19 18:59:38 +0000 | [diff] [blame] | 899 | template <class... _Tp> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 900 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 3c1ffba | 2010-08-19 18:59:38 +0000 | [diff] [blame] | 901 | tuple<_Tp&&...> |
Howard Hinnant | 74f26f2 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 902 | forward_as_tuple(_Tp&&... __t) _NOEXCEPT |
Howard Hinnant | 3c1ffba | 2010-08-19 18:59:38 +0000 | [diff] [blame] | 903 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 904 | return tuple<_Tp&&...>(_VSTD::forward<_Tp>(__t)...); |
Howard Hinnant | 3c1ffba | 2010-08-19 18:59:38 +0000 | [diff] [blame] | 905 | } |
| 906 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 907 | template <size_t _Ip> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 908 | struct __tuple_equal |
| 909 | { |
| 910 | template <class _Tp, class _Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 911 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 912 | bool operator()(const _Tp& __x, const _Up& __y) |
| 913 | { |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 914 | return __tuple_equal<_Ip - 1>()(__x, __y) && get<_Ip-1>(__x) == get<_Ip-1>(__y); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 915 | } |
| 916 | }; |
| 917 | |
| 918 | template <> |
| 919 | struct __tuple_equal<0> |
| 920 | { |
| 921 | template <class _Tp, class _Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 922 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 923 | bool operator()(const _Tp&, const _Up&) |
| 924 | { |
| 925 | return true; |
| 926 | } |
| 927 | }; |
| 928 | |
| 929 | template <class ..._Tp, class ..._Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 930 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 931 | bool |
| 932 | operator==(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 933 | { |
| 934 | return __tuple_equal<sizeof...(_Tp)>()(__x, __y); |
| 935 | } |
| 936 | |
| 937 | template <class ..._Tp, class ..._Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 938 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 939 | bool |
| 940 | operator!=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 941 | { |
| 942 | return !(__x == __y); |
| 943 | } |
| 944 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 945 | template <size_t _Ip> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 946 | struct __tuple_less |
| 947 | { |
| 948 | template <class _Tp, class _Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 949 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 950 | bool operator()(const _Tp& __x, const _Up& __y) |
| 951 | { |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 952 | return __tuple_less<_Ip-1>()(__x, __y) || |
| 953 | (!__tuple_less<_Ip-1>()(__y, __x) && get<_Ip-1>(__x) < get<_Ip-1>(__y)); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 954 | } |
| 955 | }; |
| 956 | |
| 957 | template <> |
| 958 | struct __tuple_less<0> |
| 959 | { |
| 960 | template <class _Tp, class _Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 961 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 962 | bool operator()(const _Tp&, const _Up&) |
| 963 | { |
| 964 | return false; |
| 965 | } |
| 966 | }; |
| 967 | |
| 968 | template <class ..._Tp, class ..._Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 969 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 970 | bool |
| 971 | operator<(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 972 | { |
| 973 | return __tuple_less<sizeof...(_Tp)>()(__x, __y); |
| 974 | } |
| 975 | |
| 976 | template <class ..._Tp, class ..._Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 977 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 978 | bool |
| 979 | operator>(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 980 | { |
| 981 | return __y < __x; |
| 982 | } |
| 983 | |
| 984 | template <class ..._Tp, class ..._Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 985 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 986 | bool |
| 987 | operator>=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 988 | { |
| 989 | return !(__x < __y); |
| 990 | } |
| 991 | |
| 992 | template <class ..._Tp, class ..._Up> |
Howard Hinnant | ee6ccd0 | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 993 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 994 | bool |
| 995 | operator<=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 996 | { |
| 997 | return !(__y < __x); |
| 998 | } |
| 999 | |
| 1000 | // tuple_cat |
| 1001 | |
Howard Hinnant | 0e1493e | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1002 | template <class _Tp, class _Up> struct __tuple_cat_type; |
| 1003 | |
| 1004 | template <class ..._Ttypes, class ..._Utypes> |
Howard Hinnant | f83417b | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 1005 | struct __tuple_cat_type<tuple<_Ttypes...>, __tuple_types<_Utypes...> > |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1006 | { |
Howard Hinnant | 0e1493e | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1007 | typedef tuple<_Ttypes..., _Utypes...> type; |
| 1008 | }; |
| 1009 | |
| 1010 | template <class _ResultTuple, bool _Is_Tuple0TupleLike, class ..._Tuples> |
| 1011 | struct __tuple_cat_return_1 |
| 1012 | { |
| 1013 | }; |
| 1014 | |
| 1015 | template <class ..._Types, class _Tuple0> |
| 1016 | struct __tuple_cat_return_1<tuple<_Types...>, true, _Tuple0> |
| 1017 | { |
| 1018 | typedef typename __tuple_cat_type<tuple<_Types...>, |
| 1019 | typename __make_tuple_types<typename remove_reference<_Tuple0>::type>::type>::type |
| 1020 | type; |
| 1021 | }; |
| 1022 | |
| 1023 | template <class ..._Types, class _Tuple0, class _Tuple1, class ..._Tuples> |
| 1024 | struct __tuple_cat_return_1<tuple<_Types...>, true, _Tuple0, _Tuple1, _Tuples...> |
| 1025 | : public __tuple_cat_return_1< |
| 1026 | typename __tuple_cat_type< |
| 1027 | tuple<_Types...>, |
| 1028 | typename __make_tuple_types<typename remove_reference<_Tuple0>::type>::type |
| 1029 | >::type, |
| 1030 | __tuple_like<typename remove_reference<_Tuple1>::type>::value, |
| 1031 | _Tuple1, _Tuples...> |
| 1032 | { |
| 1033 | }; |
| 1034 | |
| 1035 | template <class ..._Tuples> struct __tuple_cat_return; |
| 1036 | |
| 1037 | template <class _Tuple0, class ..._Tuples> |
| 1038 | struct __tuple_cat_return<_Tuple0, _Tuples...> |
| 1039 | : public __tuple_cat_return_1<tuple<>, |
| 1040 | __tuple_like<typename remove_reference<_Tuple0>::type>::value, _Tuple0, |
| 1041 | _Tuples...> |
| 1042 | { |
| 1043 | }; |
| 1044 | |
| 1045 | template <> |
| 1046 | struct __tuple_cat_return<> |
| 1047 | { |
| 1048 | typedef tuple<> type; |
| 1049 | }; |
| 1050 | |
| 1051 | inline _LIBCPP_INLINE_VISIBILITY |
| 1052 | tuple<> |
| 1053 | tuple_cat() |
| 1054 | { |
| 1055 | return tuple<>(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1056 | } |
| 1057 | |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1058 | template <class _Rp, class _Indices, class _Tuple0, class ..._Tuples> |
Howard Hinnant | e48e366 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1059 | struct __tuple_cat_return_ref_imp; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1060 | |
Howard Hinnant | e48e366 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1061 | template <class ..._Types, size_t ..._I0, class _Tuple0> |
| 1062 | struct __tuple_cat_return_ref_imp<tuple<_Types...>, __tuple_indices<_I0...>, _Tuple0> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1063 | { |
Howard Hinnant | 0e1493e | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1064 | typedef typename remove_reference<_Tuple0>::type _T0; |
Howard Hinnant | e48e366 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1065 | typedef tuple<_Types..., typename __apply_cv<_Tuple0, |
| 1066 | typename tuple_element<_I0, _T0>::type>::type&&...> type; |
| 1067 | }; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1068 | |
Howard Hinnant | e48e366 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1069 | template <class ..._Types, size_t ..._I0, class _Tuple0, class _Tuple1, class ..._Tuples> |
| 1070 | struct __tuple_cat_return_ref_imp<tuple<_Types...>, __tuple_indices<_I0...>, |
| 1071 | _Tuple0, _Tuple1, _Tuples...> |
| 1072 | : public __tuple_cat_return_ref_imp< |
| 1073 | tuple<_Types..., typename __apply_cv<_Tuple0, |
| 1074 | typename tuple_element<_I0, |
| 1075 | typename remove_reference<_Tuple0>::type>::type>::type&&...>, |
| 1076 | typename __make_tuple_indices<tuple_size<typename |
| 1077 | remove_reference<_Tuple1>::type>::value>::type, |
| 1078 | _Tuple1, _Tuples...> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1079 | { |
Howard Hinnant | e48e366 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1080 | }; |
| 1081 | |
| 1082 | template <class _Tuple0, class ..._Tuples> |
| 1083 | struct __tuple_cat_return_ref |
| 1084 | : public __tuple_cat_return_ref_imp<tuple<>, |
| 1085 | typename __make_tuple_indices< |
| 1086 | tuple_size<typename remove_reference<_Tuple0>::type>::value |
| 1087 | >::type, _Tuple0, _Tuples...> |
| 1088 | { |
| 1089 | }; |
| 1090 | |
| 1091 | template <class _Types, class _I0, class _J0> |
| 1092 | struct __tuple_cat; |
| 1093 | |
| 1094 | template <class ..._Types, size_t ..._I0, size_t ..._J0> |
Howard Hinnant | f83417b | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 1095 | struct __tuple_cat<tuple<_Types...>, __tuple_indices<_I0...>, __tuple_indices<_J0...> > |
Howard Hinnant | e48e366 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1096 | { |
| 1097 | template <class _Tuple0> |
| 1098 | _LIBCPP_INLINE_VISIBILITY |
| 1099 | typename __tuple_cat_return_ref<tuple<_Types...>&&, _Tuple0&&>::type |
| 1100 | operator()(tuple<_Types...> __t, _Tuple0&& __t0) |
| 1101 | { |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1102 | return _VSTD::forward_as_tuple(_VSTD::forward<_Types>(get<_I0>(__t))..., |
| 1103 | get<_J0>(_VSTD::forward<_Tuple0>(__t0))...); |
Howard Hinnant | e48e366 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1104 | } |
| 1105 | |
| 1106 | template <class _Tuple0, class _Tuple1, class ..._Tuples> |
| 1107 | _LIBCPP_INLINE_VISIBILITY |
| 1108 | typename __tuple_cat_return_ref<tuple<_Types...>&&, _Tuple0&&, _Tuple1&&, _Tuples&&...>::type |
| 1109 | operator()(tuple<_Types...> __t, _Tuple0&& __t0, _Tuple1&& __t1, _Tuples&& ...__tpls) |
| 1110 | { |
| 1111 | typedef typename remove_reference<_Tuple0>::type _T0; |
| 1112 | typedef typename remove_reference<_Tuple1>::type _T1; |
| 1113 | return __tuple_cat< |
| 1114 | tuple<_Types..., typename __apply_cv<_Tuple0, typename tuple_element<_J0, _T0>::type>::type&&...>, |
| 1115 | typename __make_tuple_indices<sizeof ...(_Types) + tuple_size<_T0>::value>::type, |
| 1116 | typename __make_tuple_indices<tuple_size<_T1>::value>::type>() |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1117 | (_VSTD::forward_as_tuple( |
| 1118 | _VSTD::forward<_Types>(get<_I0>(__t))..., |
| 1119 | get<_J0>(_VSTD::forward<_Tuple0>(__t0))... |
Howard Hinnant | e48e366 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1120 | ), |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1121 | _VSTD::forward<_Tuple1>(__t1), |
| 1122 | _VSTD::forward<_Tuples>(__tpls)...); |
Howard Hinnant | e48e366 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1123 | } |
| 1124 | }; |
| 1125 | |
| 1126 | template <class _Tuple0, class... _Tuples> |
| 1127 | inline _LIBCPP_INLINE_VISIBILITY |
| 1128 | typename __tuple_cat_return<_Tuple0, _Tuples...>::type |
| 1129 | tuple_cat(_Tuple0&& __t0, _Tuples&&... __tpls) |
| 1130 | { |
| 1131 | typedef typename remove_reference<_Tuple0>::type _T0; |
| 1132 | return __tuple_cat<tuple<>, __tuple_indices<>, |
| 1133 | typename __make_tuple_indices<tuple_size<_T0>::value>::type>() |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1134 | (tuple<>(), _VSTD::forward<_Tuple0>(__t0), |
| 1135 | _VSTD::forward<_Tuples>(__tpls)...); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1136 | } |
| 1137 | |
| 1138 | template <class ..._Tp, class _Alloc> |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 1139 | struct _LIBCPP_TYPE_VIS uses_allocator<tuple<_Tp...>, _Alloc> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1140 | : true_type {}; |
| 1141 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1142 | template <class _T1, class _T2> |
| 1143 | template <class... _Args1, class... _Args2, size_t ..._I1, size_t ..._I2> |
| 1144 | inline _LIBCPP_INLINE_VISIBILITY |
| 1145 | pair<_T1, _T2>::pair(piecewise_construct_t, |
| 1146 | tuple<_Args1...>& __first_args, tuple<_Args2...>& __second_args, |
| 1147 | __tuple_indices<_I1...>, __tuple_indices<_I2...>) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1148 | : first(_VSTD::forward<_Args1>(get<_I1>( __first_args))...), |
| 1149 | second(_VSTD::forward<_Args2>(get<_I2>(__second_args))...) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1150 | { |
| 1151 | } |
| 1152 | |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1153 | #endif // _LIBCPP_HAS_NO_VARIADICS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1154 | |
| 1155 | _LIBCPP_END_NAMESPACE_STD |
| 1156 | |
| 1157 | #endif // _LIBCPP_TUPLE |