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// <utility> 11 12// template <class T1, class T2> struct pair 13 14// template <class T1, class T2> void swap(pair<T1, T2>& x, pair<T1, T2>& y); 15 16#include <utility> 17#include <cassert> 18 19int main() 20{ 21 { 22 typedef std::pair<int, short> P1; 23 P1 p1(3, static_cast<short>(4)); 24 P1 p2(5, static_cast<short>(6)); 25 swap(p1, p2); 26 assert(p1.first == 5); 27 assert(p1.second == 6); 28 assert(p2.first == 3); 29 assert(p2.second == 4); 30 } 31} 32