| 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: c++03, c++11, c++14, c++17 |
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| 10 | |
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| 11 | // struct default_sentinel_t; |
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| 12 | // inline constexpr default_sentinel_t default_sentinel; |
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| 13 | |
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| 14 | #include <iterator> |
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| 15 | |
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| 16 | #include <concepts> |
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| 17 | #include <type_traits> |
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| 18 | |
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| 19 | #include "test_macros.h" |
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| 20 | |
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| 21 | int main(int, char**) { |
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| 22 | static_assert(std::is_empty_v<std::default_sentinel_t>); |
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| 23 | static_assert(std::semiregular<std::default_sentinel_t>); |
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| 24 | |
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| 25 | static_assert(std::same_as<decltype(std::default_sentinel), const std::default_sentinel_t>); |
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| 26 | |
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| 27 | std::default_sentinel_t s1; |
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| 28 | auto s2 = std::default_sentinel_t{}; |
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| 29 | s2 = s1; |
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| 30 | |
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| 31 | return 0; |
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| 32 | } |
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| 33 | |
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