00001 00002 00003 // class template reference_wrapper forwarding header -*- C++ -*- 00004 00005 // Copyright (C) 2004, 2005 Free Software Foundation, Inc. 00006 // 00007 // This file is part of the GNU ISO C++ Library. This library is free 00008 // software; you can redistribute it and/or modify it under the 00009 // terms of the GNU General Public License as published by the 00010 // Free Software Foundation; either version 2, or (at your option) 00011 // any later version. 00012 00013 // This library is distributed in the hope that it will be useful, 00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 // GNU General Public License for more details. 00017 00018 // You should have received a copy of the GNU General Public License along 00019 // with this library; see the file COPYING. If not, write to the Free 00020 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 00021 // USA. 00022 00023 // As a special exception, you may use this file as part of a free software 00024 // library without restriction. Specifically, if other files instantiate 00025 // templates or use macros or inline functions from this file, or you compile 00026 // this file and link it with other files to produce an executable, this 00027 // file does not by itself cause the resulting executable to be covered by 00028 // the GNU General Public License. This exception does not however 00029 // invalidate any other reasons why the executable file might be covered by 00030 // the GNU General Public License. 00031 00032 /** @file tr1/ref_fwd.h 00033 * This is an internal header file, included by other library headers. 00034 * You should not attempt to use it directly. 00035 */ 00036 00037 // Douglas Gregor <doug.gregor -at- gmail.com> 00038 #ifndef _TR1_REF_FWD 00039 #define _TR1_REF_FWD 00040 00041 namespace std 00042 { 00043 _GLIBCXX_BEGIN_NAMESPACE(tr1) 00044 00045 template<typename _Tp> 00046 class reference_wrapper; 00047 00048 template<typename _Tp> 00049 reference_wrapper<_Tp> 00050 ref(_Tp& __t); 00051 00052 // Denotes a const reference should be taken to a variable. 00053 template<typename _Tp> 00054 reference_wrapper<const _Tp> 00055 cref(const _Tp& __t); 00056 00057 _GLIBCXX_END_NAMESPACE 00058 } 00059 #endif