1 // { dg-do compile { target c++14 } } 2 3 // Copyright (C) 2013-2020 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 3, or (at your option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 16 // You should have received a copy of the GNU General Public License along 17 // with this library; see the file COPYING3. If not see 18 // <http://www.gnu.org/licenses/>. 19 20 // Tuple-like access to pair 21 22 #include <utility> 23 24 std::pair<int, char> p; 25 const std::pair<int, char> cp; 26 27 constexpr const int& cri = std::get<int>(cp); 28 constexpr int& ri = std::get<int>(p); 29 constexpr int&& rri = std::get<int>(std::move(p)); 30 31 constexpr const char& crc = std::get<char>(cp); 32 constexpr char& rc = std::get<char>(p); 33 constexpr char&& rrc = std::get<char>(std::move(p)); 34