1
2
3// class template reference_wrapper forwarding header -*- C++ -*-
4
5// Copyright (C) 2004, 2005 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 2, 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 COPYING.  If not, write to the Free
20// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
21// USA.
22
23// As a special exception, you may use this file as part of a free software
24// library without restriction.  Specifically, if other files instantiate
25// templates or use macros or inline functions from this file, or you compile
26// this file and link it with other files to produce an executable, this
27// file does not by itself cause the resulting executable to be covered by
28// the GNU General Public License.  This exception does not however
29// invalidate any other reasons why the executable file might be covered by
30// the GNU General Public License.
31
32/** @file tr1/ref_fwd.h
33 *  This is an internal header file, included by other library headers.
34 *  You should not attempt to use it directly.
35 */
36
37// Douglas Gregor <doug.gregor -at- gmail.com>
38#ifndef _TR1_REF_FWD
39#define _TR1_REF_FWD
40
41namespace std
42{
43_GLIBCXX_BEGIN_NAMESPACE(tr1)
44
45template<typename _Tp>
46  class reference_wrapper;
47
48template<typename _Tp>
49  reference_wrapper<_Tp>
50  ref(_Tp& __t);
51
52  // Denotes a const reference should be taken to a variable.
53template<typename _Tp>
54  reference_wrapper<const _Tp>
55  cref(const _Tp& __t);
56
57_GLIBCXX_END_NAMESPACE
58}
59#endif
60