gnu/dist/gcc4/libstdc++-v3/include/tr1/ref_fwd.h

   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 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
  41 namespace std
  42 {
  43 namespace tr1
  44 {
  45
  46 template<typename _Tp>
  47   class reference_wrapper;
  48
  49 template<typename _Tp>
  50   reference_wrapper<_Tp>
  51   ref(_Tp& __t);
  52
  53   // Denotes a const reference should be taken to a variable.
  54 template<typename _Tp>
  55   reference_wrapper<const _Tp>
  56   cref(const _Tp& __t);
  57 }
  58 }
  59 #endif