1// <memory> Forward declarations -*- C++ -*-
2
3// Copyright (C) 2001-2024 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
50namespace 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 // Included in freestanding as a libstdc++ extension.
64 template<typename>
65 class allocator;
66
67 template<>
68 class allocator<void>;
69
70#if __cplusplus >= 201103L
71 /// Declare uses_allocator so it can be specialized in `<queue>` etc.
72 template<typename, typename>
73 struct uses_allocator;
74
75 template<typename>
76 struct allocator_traits;
77#endif
78
79 /// @} group memory
80
81_GLIBCXX_END_NAMESPACE_VERSION
82} // namespace std
83
84#endif
85