libstdc++
memoryfwd.h
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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  template<>
67  class allocator<void>;
68 
69 #if __cplusplus >= 201103L
70  /// Declare uses_allocator so it can be specialized in `<queue>` etc.
71  template<typename, typename>
72  struct uses_allocator;
73 
74  template<typename>
75  struct allocator_traits;
76 #endif
77 
78  /// @} group memory
79 
80 _GLIBCXX_END_NAMESPACE_VERSION
81 } // namespace std
82 
83 #endif
ISO C++ entities toplevel namespace is std.