1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <utility>
10
11 // template <class T1, class T2> struct pair
12
13 // template <class T1, class T2> void swap(pair<T1, T2>& x, pair<T1, T2>& y);
14
15 #include <utility>
16 #include <cassert>
17
18 #include "test_macros.h"
19
main(int,char **)20 int main(int, char**)
21 {
22 {
23 typedef std::pair<int, short> P1;
24 P1 p1(3, static_cast<short>(4));
25 P1 p2(5, static_cast<short>(6));
26 swap(p1, p2);
27 assert(p1.first == 5);
28 assert(p1.second == 6);
29 assert(p2.first == 3);
30 assert(p2.second == 4);
31 }
32
33 return 0;
34 }
35