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 <size_t I, class... Types> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// typename tuple_element<I, tuple<Types...> >::type const& 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// get(const tuple<Types...>& t); 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 185cb52824fc2a0caf233311e91d9a2a53368f04adDan Albert// UNSUPPORTED: c++98, c++03 195cb52824fc2a0caf233311e91d9a2a53368f04adDan Albert 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <tuple> 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <string> 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::tuple<double&, std::string, int> T; 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant double d = 1.5; 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const T t(d, "high", 5); 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<0>(t) == 1.5); 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<1>(t) == "high"); 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<2>(t) == 5); 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::get<0>(t) = 2.5; 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<0>(t) == 2.5); 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<1>(t) == "high"); 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::get<2>(t) == 5); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(d == 2.5); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::get<1>(t) = "four"; 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 42