1// { dg-options "-std=gnu++0x" }
2
3// Copyright (C) 2007, 2009 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING3.  If not see
18// <http://www.gnu.org/licenses/>.
19
20// Tuple
21
22#include <tuple>
23
24using namespace std;
25
26struct foo
27{ };
28
29int
30main()
31{
32  // As foo isn't constructible from anything else, this
33  // lets us check if type is returning foo when it should
34  foo q1;
35  tuple_element<0,tuple<foo,void,int> >::type q2(q1);
36  tuple_element<2,tuple<void,int,foo> >::type q3(q1);
37}
38