| 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 | |
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| 13 | // using callback_type = _Callback; |
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| 14 | |
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| 15 | #include <stop_token> |
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| 16 | #include <type_traits> |
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| 17 | |
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| 18 | struct Callback { |
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| 19 | void operator()() const; |
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| 20 | }; |
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| 21 | |
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| 22 | static_assert(std::is_same_v<std::stop_callback<Callback>::callback_type, Callback>); |
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| 23 | static_assert(std::is_same_v<std::stop_callback<const Callback>::callback_type, const Callback>); |
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| 24 | static_assert(std::is_same_v<std::stop_callback<Callback&>::callback_type, Callback&>); |
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| 25 | static_assert(std::is_same_v<std::stop_callback<const Callback&>::callback_type, const Callback&>); |
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| 26 | static_assert(std::is_same_v<std::stop_callback<Callback&&>::callback_type, Callback&&>); |
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| 27 | static_assert(std::is_same_v<std::stop_callback<const Callback&&>::callback_type, const Callback&&>); |
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| 28 | |
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