| 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 |
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| 10 | // <optional> |
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| 11 | |
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| 12 | // struct nullopt_t{see below}; |
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| 13 | // inline constexpr nullopt_t nullopt(unspecified); |
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| 14 | |
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| 15 | // [optional.nullopt]/2: |
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| 16 | // Type nullopt_t shall not have a default constructor or an initializer-list |
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| 17 | // constructor, and shall not be an aggregate. |
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| 18 | |
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| 19 | #include <optional> |
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| 20 | |
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| 21 | int main(int, char**) |
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| 22 | { |
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| 23 | std::nullopt_t n = {}; |
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| 24 | |
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| 25 | return 0; |
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| 26 | } |
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| 27 | |
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