// { dg-options "-std=gnu++17" } // Copyright (C) 2013-2020 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . // inserters // NB: This file is predicated on sstreams, istreams, and ostreams // working, not to mention other major details like char_traits, and // all of the string_view class. #include #include #include #include #include #include void test01() { typedef std::string_view::size_type csize_type; typedef std::string_view::const_reference cref; typedef std::string_view::reference ref; const std::string_view str01("sailing grand traverse bay\n" "\t\t\t from Elk Rapids to the point reminds me of miles"); // ostream& operator<<(ostream&, const basic_string_view&) std::ostringstream ostrs01; try { ostrs01 << str01; VERIFY( ostrs01.str() == str01 ); } catch(std::exception& fail) { VERIFY( false ); } std::string_view hello_world; std::cout << hello_world; } int main() { test01(); return 0; }