libstdc++-v3/include/bits/memoryfwd.h

   1 // <memory> Forward declarations -*- C++ -*-
   2
   3 // Copyright (C) 2001-2020 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License and
  21 // a copy of the GCC Runtime Library Exception along with this program;
  22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 /*
  26  * Copyright (c) 1996-1997
  27  * Silicon Graphics Computer Systems, Inc.
  28  *
  29  * Permission to use, copy, modify, distribute and sell this software
  30  * and its documentation for any purpose is hereby granted without fee,
  31  * provided that the above copyright notice appear in all copies and
  32  * that both that copyright notice and this permission notice appear
  33  * in supporting documentation.  Silicon Graphics makes no
  34  * representations about the suitability of this software for any
  35  * purpose.  It is provided "as is" without express or implied warranty.
  36  */
  37
  38 /** @file bits/memoryfwd.h
  39  *  This is an internal header file, included by other library headers.
  40  *  Do not attempt to use it directly. @headername{memory}
  41  */
  42
  43 #ifndef _MEMORYFWD_H
  44 #define _MEMORYFWD_H 1
  45
  46 #pragma GCC system_header
  47
  48 #include <bits/c++config.h>
  49
  50 namespace std _GLIBCXX_VISIBILITY(default)
  51 {
  52 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  53
  54   /**
  55    * @defgroup allocators Allocators
  56    * @ingroup memory
  57    *
  58    * Classes encapsulating memory operations.
  59    *
  60    * @{
  61    */
  62
  63   template<typename>
  64     class allocator;
  65
  66 #if __cplusplus <= 201703L
  67   template<>
  68     class allocator<void>;
  69 #endif
  70
  71 #if __cplusplus >= 201103L
  72   /// Declare uses_allocator so it can be specialized in \<queue\> etc.
  73   template<typename, typename>
  74     struct uses_allocator;
  75 #endif
  76
  77   /// @} group memory
  78
  79 _GLIBCXX_END_NAMESPACE_VERSION
  80 } // namespace std
  81
  82 #endif