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