111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===----------------------------------------------------------------------===// 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// The LLVM Compiler Infrastructure 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// This file is dual licensed under the MIT and the University of Illinois Open 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Source Licenses. See LICENSE.TXT for details. 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===----------------------------------------------------------------------===// 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// <utility> 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// template <class T1, class T2> struct pair 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// template <class U, class V> pair(const pair<U, V>& p); 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <utility> 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <cassert> 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albertint main() 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef std::pair<int, short> P1; 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef std::pair<double, long> P2; 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert P1 p1(3, 4); 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert P2 p2 = p1; 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(p2.first == 3); 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(p2.second == 4); 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#if _LIBCPP_STD_VER > 11 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef std::pair<int, short> P1; 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef std::pair<double, long> P2; 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert constexpr P1 p1(3, 4); 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert constexpr P2 p2 = p1; 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert static_assert(p2.first == 3, ""); 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert static_assert(p2.second == 4, ""); 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 41