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// <stack> 11 12// template <class T, class Container> 13// void swap(stack<T, Container>& x, stack<T, Container>& y); 14 15#include <stack> 16#include <cassert> 17 18template <class C> 19C 20make(int n) 21{ 22 C c; 23 for (int i = 0; i < n; ++i) 24 c.push(i); 25 return c; 26} 27 28int main() 29{ 30 std::stack<int> q1 = make<std::stack<int> >(5); 31 std::stack<int> q2 = make<std::stack<int> >(10); 32 std::stack<int> q1_save = q1; 33 std::stack<int> q2_save = q2; 34 swap(q1, q2); 35 assert(q1 == q2_save); 36 assert(q2 == q1_save); 37} 38