1// { dg-options "-std=gnu++14" }
2// { dg-do compile }
3
4// Copyright (C) 2013-2015 Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 3, or (at your option)
10// any later version.
11//
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16//
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING3.  If not see
19// <http://www.gnu.org/licenses/>.
20
21#include <type_traits>
22
23using namespace std;
24
25template<typename Trait, typename Result>
26  using test = is_same<typename Trait::type, Result>;
27
28static_assert( test<decay<bool>, decay_t<bool>>(), "decay<bool>" );
29static_assert( test<decay<const int>, decay_t<const int>>(),
30               "decay<const int>" );
31static_assert( test<decay<int[4]>, decay_t<int[4]>>(), "decay<int[4]>" );
32typedef void (fn_type) ();
33static_assert( test<decay<fn_type>, decay_t<fn_type>>(), "decay<fn_type>" );
34typedef void (cfn_type) () const;
35static_assert( test<decay<cfn_type>, decay_t<cfn_type>>(), "decay<cfn_type>" );
36