1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <utility> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class T1, class T2> pair<V1, V2> make_pair(T1&&, T2&&); 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <utility> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <memory> 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::pair<int, short> P1; 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P1 p1 = std::make_pair(3, 4); 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(p1.first == 3); 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(p1.second == 4); 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 26206f6cdc3328959aed4ece29ad65d8320da246f2Marshall Clow 2773d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::pair<std::unique_ptr<int>, short> P1; 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P1 p1 = std::make_pair(std::unique_ptr<int>(new int(3)), 4); 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*p1.first == 3); 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(p1.second == 4); 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::pair<std::unique_ptr<int>, short> P1; 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P1 p1 = std::make_pair(nullptr, 4); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(p1.first == nullptr); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(p1.second == 4); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 4073d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 41206f6cdc3328959aed4ece29ad65d8320da246f2Marshall Clow 42206f6cdc3328959aed4ece29ad65d8320da246f2Marshall Clow#if _LIBCPP_STD_VER > 11 43206f6cdc3328959aed4ece29ad65d8320da246f2Marshall Clow { 44206f6cdc3328959aed4ece29ad65d8320da246f2Marshall Clow typedef std::pair<int, short> P1; 45206f6cdc3328959aed4ece29ad65d8320da246f2Marshall Clow constexpr P1 p1 = std::make_pair(3, 4); 46206f6cdc3328959aed4ece29ad65d8320da246f2Marshall Clow static_assert(p1.first == 3, ""); 47206f6cdc3328959aed4ece29ad65d8320da246f2Marshall Clow static_assert(p1.second == 4, ""); 48206f6cdc3328959aed4ece29ad65d8320da246f2Marshall Clow } 49206f6cdc3328959aed4ece29ad65d8320da246f2Marshall Clow#endif 50206f6cdc3328959aed4ece29ad65d8320da246f2Marshall Clow 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 52