| Marshall Clow | fe99a30 | 2015-11-16 15:54:13 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // UNSUPPORTED: c++98, c++03, c++11, c++14 |
| 11 | // type_traits |
| 12 | |
| 13 | // template<class... B> struct disjunction; // C++17 |
| 14 | // template<class... B> |
| 15 | // constexpr bool disjunction_v = disjunction<B...>::value; // C++17 |
| 16 | |
| 17 | #include <type_traits> |
| 18 | #include <cassert> |
| 19 | |
| 20 | struct True { static constexpr bool value = true; }; |
| 21 | struct False { static constexpr bool value = false; }; |
| 22 | |
| 23 | int main() |
| 24 | { |
| 25 | static_assert (!std::disjunction<>::value, "" ); |
| 26 | static_assert ( std::disjunction<std::true_type >::value, "" ); |
| 27 | static_assert (!std::disjunction<std::false_type>::value, "" ); |
| 28 | |
| 29 | static_assert (!std::disjunction_v<>, "" ); |
| 30 | static_assert ( std::disjunction_v<std::true_type >, "" ); |
| 31 | static_assert (!std::disjunction_v<std::false_type>, "" ); |
| 32 | |
| 33 | static_assert ( std::disjunction<std::true_type, std::true_type >::value, "" ); |
| 34 | static_assert ( std::disjunction<std::true_type, std::false_type>::value, "" ); |
| 35 | static_assert ( std::disjunction<std::false_type, std::true_type >::value, "" ); |
| 36 | static_assert (!std::disjunction<std::false_type, std::false_type>::value, "" ); |
| 37 | |
| 38 | static_assert ( std::disjunction_v<std::true_type, std::true_type >, "" ); |
| 39 | static_assert ( std::disjunction_v<std::true_type, std::false_type>, "" ); |
| 40 | static_assert ( std::disjunction_v<std::false_type, std::true_type >, "" ); |
| 41 | static_assert (!std::disjunction_v<std::false_type, std::false_type>, "" ); |
| 42 | |
| 43 | static_assert ( std::disjunction<std::true_type, std::true_type, std::true_type >::value, "" ); |
| 44 | static_assert ( std::disjunction<std::true_type, std::false_type, std::true_type >::value, "" ); |
| 45 | static_assert ( std::disjunction<std::false_type, std::true_type, std::true_type >::value, "" ); |
| 46 | static_assert ( std::disjunction<std::false_type, std::false_type, std::true_type >::value, "" ); |
| 47 | static_assert ( std::disjunction<std::true_type, std::true_type, std::false_type>::value, "" ); |
| 48 | static_assert ( std::disjunction<std::true_type, std::false_type, std::false_type>::value, "" ); |
| 49 | static_assert ( std::disjunction<std::false_type, std::true_type, std::false_type>::value, "" ); |
| 50 | static_assert (!std::disjunction<std::false_type, std::false_type, std::false_type>::value, "" ); |
| 51 | |
| 52 | static_assert ( std::disjunction_v<std::true_type, std::true_type, std::true_type >, "" ); |
| 53 | static_assert ( std::disjunction_v<std::true_type, std::false_type, std::true_type >, "" ); |
| 54 | static_assert ( std::disjunction_v<std::false_type, std::true_type, std::true_type >, "" ); |
| 55 | static_assert ( std::disjunction_v<std::false_type, std::false_type, std::true_type >, "" ); |
| 56 | static_assert ( std::disjunction_v<std::true_type, std::true_type, std::false_type>, "" ); |
| 57 | static_assert ( std::disjunction_v<std::true_type, std::false_type, std::false_type>, "" ); |
| 58 | static_assert ( std::disjunction_v<std::false_type, std::true_type, std::false_type>, "" ); |
| 59 | static_assert (!std::disjunction_v<std::false_type, std::false_type, std::false_type>, "" ); |
| 60 | |
| 61 | static_assert ( std::disjunction<True >::value, "" ); |
| 62 | static_assert (!std::disjunction<False>::value, "" ); |
| 63 | |
| 64 | static_assert ( std::disjunction_v<True >, "" ); |
| 65 | static_assert (!std::disjunction_v<False>, "" ); |
| 66 | } |