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 10 // <string_view> 11 12 // template<class Allocator> 13 // basic_string_view(const basic_string<_CharT, _Traits, Allocator>& _str) noexcept 14 15 #include <string_view> 16 #include <string> 17 #include <cassert> 18 19 struct dummy_char_traits : public std::char_traits<char> {}; 20 main(int,char **)21int main(int, char**) { 22 using string_view = std::basic_string_view<char>; 23 using string = std:: basic_string <char, dummy_char_traits>; 24 25 { 26 string s{"QBCDE"}; 27 string_view sv1 ( s ); 28 assert ( sv1.size() == s.size()); 29 assert ( sv1.data() == s.data()); 30 } 31 32 return 0; 33 } 34