1 // { dg-do compile { target c++11 } }
2 
3 // 2011-05-19  Paolo Carlini  <paolo.carlini@oracle.com>
4 //
5 // Copyright (C) 2011-2020 Free Software Foundation, Inc.
6 //
7 // This file is part of the GNU ISO C++ Library.  This library is free
8 // software; you can redistribute it and/or modify it under the
9 // terms of the GNU General Public License as published by the
10 // Free Software Foundation; either version 3, or (at your option)
11 // any later version.
12 
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 // GNU General Public License for more details.
17 
18 // You should have received a copy of the GNU General Public License along
19 // with this library; see the file COPYING3.  If not see
20 // <http://www.gnu.org/licenses/>.
21 
22 // Tuple
23 
24 #include <tuple>
25 
26 using namespace std;
27 
28 static_assert(is_same<tuple_element<0, const tuple<double, void, int>>::type,
29 	      const double>::value, "Error");
30 static_assert(is_same<tuple_element<1, volatile tuple<short, void>>::type,
31 	      volatile void>::value, "Error");
32 static_assert(is_same<tuple_element<2, const volatile tuple<float,
33 	      char, int>>::type, const volatile int>::value, "Error");
34