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<size_t I, class T1, class T2>
15 // const typename tuple_element<I, std::pair<T1, T2> >::type&
16 // get(const pair<T1, T2>&);
17
18 #include <utility>
19 #include <cassert>
20
21 #include "test_macros.h"
22
main()23 int main()
24 {
25 {
26 typedef std::pair<int, short> P;
27 const P p(3, static_cast<short>(4));
28 assert(std::get<0>(p) == 3);
29 assert(std::get<1>(p) == 4);
30 }
31
32 #if TEST_STD_VER > 11
33 {
34 typedef std::pair<int, short> P;
35 constexpr P p1(3, static_cast<short>(4));
36 static_assert(std::get<0>(p1) == 3, "");
37 static_assert(std::get<1>(p1) == 4, "");
38 }
39 #endif
40 }
41