1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <queue> 11 12 // template <class T, class Container> 13 // void swap(queue<T, Container>& x, queue<T, Container>& y); 14 15 #include <queue> 16 #include <cassert> 17 18 template <class C> 19 C make(int n)20make(int n) 21 { 22 C c; 23 for (int i = 0; i < n; ++i) 24 c.push(i); 25 return c; 26 } 27 main()28int main() 29 { 30 std::queue<int> q1 = make<std::queue<int> >(5); 31 std::queue<int> q2 = make<std::queue<int> >(10); 32 std::queue<int> q1_save = q1; 33 std::queue<int> q2_save = q2; 34 swap(q1, q2); 35 assert(q1 == q2_save); 36 assert(q2 == q1_save); 37 } 38