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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
// <string>
// basic_string(nullptr_t) = delete; // C++2b
// basic_string& operator=(nullptr_t) = delete; // C++2b
#include <string>
#include <type_traits>
static_assert(!std::is_convertible_v<decltype(nullptr), std::string>);
static_assert(!std::is_constructible_v<std::string, decltype(nullptr)>);
static_assert(!std::is_assignable_v<std::string, decltype(nullptr)>);
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