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 | |
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 | |