| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // UNSUPPORTED: no-threads |
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| 10 | // UNSUPPORTED: libcpp-has-no-experimental-stop_token |
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| 11 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 12 | // XFAIL: availability-synchronization_library-missing |
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| 13 | |
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| 14 | // template<class Callback> |
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| 15 | // stop_callback(stop_token, Callback) -> stop_callback<Callback>; |
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| 16 | |
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| 17 | #include <stop_token> |
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| 18 | #include <type_traits> |
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| 19 | #include <utility> |
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| 20 | |
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| 21 | void test() { |
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| 22 | std::stop_token st; |
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| 23 | auto a = [] {}; |
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| 24 | static_assert(std::is_same_v<decltype(std::stop_callback(st, a)), std::stop_callback<decltype(a)>>); |
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| 25 | static_assert(std::is_same_v<decltype(std::stop_callback(st, std::as_const(a))), std::stop_callback<decltype(a)>>); |
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| 26 | static_assert(std::is_same_v<decltype(std::stop_callback(st, std::move(a))), std::stop_callback<decltype(a)>>); |
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| 27 | static_assert( |
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| 28 | std::is_same_v<decltype(std::stop_callback(st, std::move(std::as_const(a)))), std::stop_callback<decltype(a)>>); |
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| 29 | } |
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| 30 | |
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