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 // pair(const pair&) = default;
15 
16 #include <utility>
17 #include <cassert>
18 
main()19 int main()
20 {
21     {
22         typedef std::pair<int, short> P1;
23         P1 p1(3, 4);
24         P1 p2 = p1;
25         assert(p2.first == 3);
26         assert(p2.second == 4);
27     }
28 
29     static_assert((std::is_trivially_copy_constructible<std::pair<int, int> >::value), "");
30 
31 #if _LIBCPP_STD_VER > 11
32     {
33         typedef std::pair<int, short> P1;
34         constexpr P1 p1(3, 4);
35         constexpr P1 p2 = p1;
36         static_assert(p2.first == 3, "");
37         static_assert(p2.second == 4, "");
38     }
39 #endif
40 }
41