| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03, c++11, c++14 |
| // type_traits |
| |
| // template<class... B> struct disjunction; // C++17 |
| // template<class... B> |
| // constexpr bool disjunction_v = disjunction<B...>::value; // C++17 |
| |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| struct True { static constexpr bool value = true; }; |
| struct False { static constexpr bool value = false; }; |
| |
| int main(int, char**) |
| { |
| static_assert (!std::disjunction<>::value, "" ); |
| static_assert ( std::disjunction<std::true_type >::value, "" ); |
| static_assert (!std::disjunction<std::false_type>::value, "" ); |
| |
| static_assert (!std::disjunction_v<>, "" ); |
| static_assert ( std::disjunction_v<std::true_type >, "" ); |
| static_assert (!std::disjunction_v<std::false_type>, "" ); |
| |
| static_assert ( std::disjunction<std::true_type, std::true_type >::value, "" ); |
| static_assert ( std::disjunction<std::true_type, std::false_type>::value, "" ); |
| static_assert ( std::disjunction<std::false_type, std::true_type >::value, "" ); |
| static_assert (!std::disjunction<std::false_type, std::false_type>::value, "" ); |
| |
| static_assert ( std::disjunction_v<std::true_type, std::true_type >, "" ); |
| static_assert ( std::disjunction_v<std::true_type, std::false_type>, "" ); |
| static_assert ( std::disjunction_v<std::false_type, std::true_type >, "" ); |
| static_assert (!std::disjunction_v<std::false_type, std::false_type>, "" ); |
| |
| static_assert ( std::disjunction<std::true_type, std::true_type, std::true_type >::value, "" ); |
| static_assert ( std::disjunction<std::true_type, std::false_type, std::true_type >::value, "" ); |
| static_assert ( std::disjunction<std::false_type, std::true_type, std::true_type >::value, "" ); |
| static_assert ( std::disjunction<std::false_type, std::false_type, std::true_type >::value, "" ); |
| static_assert ( std::disjunction<std::true_type, std::true_type, std::false_type>::value, "" ); |
| static_assert ( std::disjunction<std::true_type, std::false_type, std::false_type>::value, "" ); |
| static_assert ( std::disjunction<std::false_type, std::true_type, std::false_type>::value, "" ); |
| static_assert (!std::disjunction<std::false_type, std::false_type, std::false_type>::value, "" ); |
| |
| static_assert ( std::disjunction_v<std::true_type, std::true_type, std::true_type >, "" ); |
| static_assert ( std::disjunction_v<std::true_type, std::false_type, std::true_type >, "" ); |
| static_assert ( std::disjunction_v<std::false_type, std::true_type, std::true_type >, "" ); |
| static_assert ( std::disjunction_v<std::false_type, std::false_type, std::true_type >, "" ); |
| static_assert ( std::disjunction_v<std::true_type, std::true_type, std::false_type>, "" ); |
| static_assert ( std::disjunction_v<std::true_type, std::false_type, std::false_type>, "" ); |
| static_assert ( std::disjunction_v<std::false_type, std::true_type, std::false_type>, "" ); |
| static_assert (!std::disjunction_v<std::false_type, std::false_type, std::false_type>, "" ); |
| |
| static_assert ( std::disjunction<True >::value, "" ); |
| static_assert (!std::disjunction<False>::value, "" ); |
| |
| static_assert ( std::disjunction_v<True >, "" ); |
| static_assert (!std::disjunction_v<False>, "" ); |
| |
| return 0; |
| } |