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// tuple(const tuple& u) = default; 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <tuple> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <string> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 20da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clowstruct Empty {}; 21da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::tuple<> T; 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant T t0; 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant T t = t0; 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::tuple<int> T; 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant T t0(2); 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant T t = t0; 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<0>(t) == 2); 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::tuple<int, char> T; 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant T t0(2, 'a'); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant T t = t0; 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<0>(t) == 2); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<1>(t) == 'a'); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::tuple<int, char, std::string> T; 44284844495422a295597af5b93cbd798e920f3c44Howard Hinnant const T t0(2, 'a', "some text"); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant T t = t0; 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<0>(t) == 2); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<1>(t) == 'a'); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<2>(t) == "some text"); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 50da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow#if _LIBCPP_STD_VER > 11 51da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow { 52da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow typedef std::tuple<int> T; 53da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow constexpr T t0(2); 54da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow constexpr T t = t0; 55da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow static_assert(std::get<0>(t) == 2, ""); 56da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow } 57da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow { 58da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow typedef std::tuple<Empty> T; 59da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow constexpr T t0; 60da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow constexpr T t = t0; 61da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow } 62da0a0e8a1be285d18870955cffc1b51982675dd8Marshall Clow#endif 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 64