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<size_t I, class T1, class T2>
14 // const typename tuple_element<I, std::pair<T1, T2> >::type&
15 // get(const pair<T1, T2>&);
16
17 #include <utility>
18 #include <cassert>
19
20 #include "test_macros.h"
21
main(int,char **)22 int main(int, char**)
23 {
24 {
25 typedef std::pair<int, short> P;
26 const P p(3, static_cast<short>(4));
27 assert(std::get<0>(p) == 3);
28 assert(std::get<1>(p) == 4);
29 }
30
31 #if TEST_STD_VER > 11
32 {
33 typedef std::pair<int, short> P;
34 constexpr P p1(3, static_cast<short>(4));
35 static_assert(std::get<0>(p1) == 3, "");
36 static_assert(std::get<1>(p1) == 4, "");
37 }
38 #endif
39
40 return 0;
41 }
42