42 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <utility>10 11// template <class T1, class T2> struct pair12 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 22int 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 > 1132 {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#endif39 40 return 0;41}42