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// <tuple> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class... Types> class tuple; 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class... UTypes> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// explicit tuple(UTypes&&... u); 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <tuple> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../MoveOnly.h" 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 22da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow#if _LIBCPP_STD_VER > 11 23da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow 24da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clowstruct Empty {}; 25da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clowstruct A 26da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow{ 27da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow int id_; 28da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow explicit constexpr A(int i) : id_(i) {} 29da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow}; 30da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow 31da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow#endif 32da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::tuple<MoveOnly> t(MoveOnly(0)); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<0>(t) == 0); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::tuple<MoveOnly, MoveOnly> t(MoveOnly(0), MoveOnly(1)); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<0>(t) == 0); 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<1>(t) == 1); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::tuple<MoveOnly, MoveOnly, MoveOnly> t(MoveOnly(0), 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant MoveOnly(1), 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant MoveOnly(2)); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<0>(t) == 0); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<1>(t) == 1); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<2>(t) == 2); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant // extensions 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::tuple<MoveOnly, MoveOnly, MoveOnly> t(MoveOnly(0), 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant MoveOnly(1)); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<0>(t) == 0); 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<1>(t) == 1); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<2>(t) == MoveOnly()); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::tuple<MoveOnly, MoveOnly, MoveOnly> t(MoveOnly(0)); 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<0>(t) == 0); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<1>(t) == MoveOnly()); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<2>(t) == MoveOnly()); 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 66da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow#if _LIBCPP_STD_VER > 11 67da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow { 68da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow constexpr std::tuple<Empty> t0{Empty()}; 69da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow } 70da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow { 71da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow constexpr std::tuple<A, A> t(3, 2); 72da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow static_assert(std::get<0>(t).id_ == 3, ""); 73da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow } 74da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow#endif 75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 76