1// { dg-do compile }
2
3// 2007-02-04  Benjamin Kosnik  <bkoz@redhat.com>
4//
5// Copyright (C) 2007-2015 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
19// along with this library; see the file COPYING3.  If not see
20// <http://www.gnu.org/licenses/>.
21
22#include <tr1/functional>
23
24namespace std {
25namespace tr1 {
26
27  template <class T> class reference_wrapper;
28  template <class T> reference_wrapper<T> ref(T&);
29  template <class T> reference_wrapper<const T> cref(const T&);
30  template <class T> reference_wrapper<T> ref(reference_wrapper<T>);
31  template <class T> reference_wrapper<const T> cref(reference_wrapper<T>);
32
33} // namespace tr1
34} // namespace std
35