42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// UNSUPPORTED: no-threads
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// UNSUPPORTED: libcpp-has-no-experimental-stop_token
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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// struct nostopstate_t {
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// explicit nostopstate_t() = default;
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// };
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//
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// inline constexpr nostopstate_t nostopstate{};
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#include <concepts>
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#include <stop_token>
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#include <type_traits>
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#include "test_macros.h"
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static_assert(std::is_trivially_default_constructible_v<std::nostopstate_t>);
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struct Empty {};
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static_assert(sizeof(Empty) == sizeof(std::nostopstate_t));
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template <class T>
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void conversionTest(T);
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template <class T>
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concept ImplicitlyDefaultConstructible = requires { conversionTest<T>({}); };
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static_assert(!ImplicitlyDefaultConstructible<std::nostopstate_t>);
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int main(int, char**) {
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[[maybe_unused]] std::same_as<std::nostopstate_t> auto x = std::nostopstate;
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[[maybe_unused]] auto y = std::nostopstate_t{};
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return 0;
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}
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