| 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, c++20 |
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| 10 | |
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| 11 | // <string> |
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| 12 | |
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| 13 | // basic_string(nullptr_t) = delete; // C++23 |
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| 14 | // basic_string& operator=(nullptr_t) = delete; // C++23 |
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| 15 | |
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| 16 | #include <string> |
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| 17 | #include <type_traits> |
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| 18 | |
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| 19 | static_assert(!std::is_convertible_v<decltype(nullptr), std::string>); |
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| 20 | static_assert(!std::is_constructible_v<std::string, decltype(nullptr)>); |
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| 21 | static_assert(!std::is_assignable_v<std::string, decltype(nullptr)>); |
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| 22 | |
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