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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// class sequenced_policy;
// class parallel_policy;
// class parallel_unsequenced_policy;
// class unsequenced_policy; // since C++20
//
// inline constexpr sequenced_policy seq = implementation-defined;
// inline constexpr parallel_policy par = implementation-defined;
// inline constexpr parallel_unsequenced_policy par_unseq = implementation-defined;
// inline constexpr unsequenced_policy unseq = implementation-defined; // since C++20
// UNSUPPORTED: c++03, c++11, c++14
// UNSUPPORTED: libcpp-has-no-incomplete-pstl
#include <execution>
#include <type_traits>
#include "test_macros.h"
template <class T>
using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<T>>;
template <class T>
TEST_NOINLINE void use(T&) {}
static_assert(std::is_same_v<remove_cvref_t<decltype(std::execution::seq)>, std::execution::sequenced_policy>);
static_assert(std::is_same_v<remove_cvref_t<decltype(std::execution::par)>, std::execution::parallel_policy>);
static_assert(
std::is_same_v<remove_cvref_t<decltype(std::execution::par_unseq)>, std::execution::parallel_unsequenced_policy>);
#if TEST_STD_VER >= 20
static_assert(std::is_same_v<remove_cvref_t<decltype(std::execution::unseq)>, std::execution::unsequenced_policy>);
#endif
int main(int, char**) {
use(std::execution::seq);
use(std::execution::par);
use(std::execution::par_unseq);
#if TEST_STD_VER >= 20
use(std::execution::unseq);
#endif
return 0;
}
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