1// Copyright (C) 2014-2015 Free Software Foundation, Inc. 2// 3// This file is part of the GNU ISO C++ Library. This library is free 4// software; you can redistribute it and/or modify it under the 5// terms of the GNU General Public License as published by the 6// Free Software Foundation; either version 3, or (at your option) 7// any later version. 8 9// This library is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13 14// You should have received a copy of the GNU General Public License along 15// with this library; see the file COPYING3. If not see 16// <http://www.gnu.org/licenses/>. 17 18// { dg-options "-std=gnu++14" } 19 20#include <experimental/tuple> 21#include <testsuite_hooks.h> 22 23void 24test01() 25{ 26 auto t = std::make_tuple(1, '2', 3.0); 27 std::experimental::apply( [&](int& i, char& c, double& d) { 28 VERIFY(&i == &std::get<int>(t)); 29 VERIFY(&c == &std::get<char>(t)); 30 VERIFY(&d == &std::get<double>(t)); 31 }, t); 32} 33 34constexpr int func(int i, int j) { return i + j; } 35 36void 37test02() 38{ 39 constexpr auto t = std::make_tuple(1, 2); 40 constexpr int i = std::experimental::apply(func, t); 41 VERIFY( i == 3 ); 42} 43 44int 45main() 46{ 47 test01(); 48 test02(); 49} 50