1775caa58SMarek Kurdej //===----------------------------------------------------------------------===// 2775caa58SMarek Kurdej // 3775caa58SMarek Kurdej // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4775caa58SMarek Kurdej // See https://llvm.org/LICENSE.txt for license information. 5775caa58SMarek Kurdej // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6775caa58SMarek Kurdej // 7775caa58SMarek Kurdej //===----------------------------------------------------------------------===// 8775caa58SMarek Kurdej 9775caa58SMarek Kurdej // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20 10775caa58SMarek Kurdej 11775caa58SMarek Kurdej // <string> 12775caa58SMarek Kurdej 13*71400505SMark de Wever // basic_string(nullptr_t) = delete; // C++23 14*71400505SMark de Wever // basic_string& operator=(nullptr_t) = delete; // C++23 15775caa58SMarek Kurdej 16775caa58SMarek Kurdej #include <string> 17775caa58SMarek Kurdej #include <type_traits> 18775caa58SMarek Kurdej 19775caa58SMarek Kurdej static_assert(!std::is_convertible_v<decltype(nullptr), std::string>); 20775caa58SMarek Kurdej static_assert(!std::is_constructible_v<std::string, decltype(nullptr)>); 21775caa58SMarek Kurdej static_assert(!std::is_assignable_v<std::string, decltype(nullptr)>); 22