libcxx/test/std/strings/string.view/string.view.cons/nullptr.compile.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
  10
  11 // <string_view>
  12
  13 // basic_string_view(nullptr_t) = delete; // C++23
  14
  15 #include <string_view>
  16 #include <type_traits>
  17
  18 static_assert(!std::is_convertible_v<decltype(nullptr), std::string_view>);
  19 static_assert(!std::is_constructible_v<std::string_view, decltype(nullptr)>);
  20 static_assert(!std::is_assignable_v<std::string_view, decltype(nullptr)>);