31 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// template<class T> struct is_execution_policy;10// template<class T> constexpr bool is_execution_policy_v = is_execution_policy<T>::value;11 12// UNSUPPORTED: c++03, c++11, c++1413 14// UNSUPPORTED: libcpp-has-no-incomplete-pstl15 16#include <execution>17 18#include "test_macros.h"19 20static_assert(std::is_execution_policy<std::execution::sequenced_policy>::value);21static_assert(std::is_execution_policy_v<std::execution::sequenced_policy>);22static_assert(std::is_execution_policy<std::execution::parallel_policy>::value);23static_assert(std::is_execution_policy_v<std::execution::parallel_policy>);24static_assert(std::is_execution_policy<std::execution::parallel_unsequenced_policy>::value);25static_assert(std::is_execution_policy_v<std::execution::parallel_unsequenced_policy>);26 27#if TEST_STD_VER >= 2028static_assert(std::is_execution_policy<std::execution::unsequenced_policy>::value);29static_assert(std::is_execution_policy_v<std::execution::unsequenced_policy>);30#endif31