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