1// { dg-options "-std=gnu++17" } 2// { dg-do compile } 3 4// Copyright (C) 2014-2023 Free Software Foundation, Inc. 5// 6// This file is part of the GNU ISO C++ Library. This library is free 7// software; you can redistribute it and/or modify it under the 8// terms of the GNU General Public License as published by the 9// Free Software Foundation; either version 3, or (at your option) 10// any later version. 11 12// This library is distributed in the hope that it will be useful, 13// but WITHOUT ANY WARRANTY; without even the implied warranty of 14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15// GNU General Public License for more details. 16 17// You should have received a copy of the GNU General Public License along 18// with this library; see the file COPYING3. If not see 19// <http://www.gnu.org/licenses/>. 20 21#include <string_view> 22 23template<typename C, typename T> 24 using check1_t = std::basic_string_view<C, T>; 25 26using check2_t = std::string_view; 27 28#ifdef _GLIBCXX_USE_C99_STDINT_TR1 29using check3_t = std::u16string_view; 30using check4_t = std::u32string_view; 31#endif 32 33#ifdef _GLIBCXX_USE_WCHAR_T 34using check5_t = std::wstring_view; 35#endif 36 37