1 // { dg-do compile } 2 // { dg-require-normal-namespace "" } 3 4 // Copyright (C) 2007-2020 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 <queue> 22 23 namespace std { 24 template <class T, class Container> class queue; 25 template <class T, class Container> 26 bool operator==(const queue<T, Container>& x, 27 const queue<T, Container>& y); 28 29 template <class T, class Container> 30 bool operator< (const queue<T, Container>& x, 31 const queue<T, Container>& y); 32 33 template <class T, class Container> 34 bool operator!=(const queue<T, Container>& x, 35 const queue<T, Container>& y); 36 37 template <class T, class Container> 38 bool operator> (const queue<T, Container>& x, 39 const queue<T, Container>& y); 40 41 template <class T, class Container> 42 bool operator>=(const queue<T, Container>& x, 43 const queue<T, Container>& y); 44 45 template <class T, class Container> 46 bool operator<=(const queue<T, Container>& x, 47 const queue<T, Container>& y); 48 49 template <class T, class Container, class Compare> 50 class priority_queue; 51 } 52