libstdc++
memoryfwd.h
Go to the documentation of this file.
1// <memory> Forward declarations -*- C++ -*-
2
3// Copyright (C) 2001-2025 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#ifdef _GLIBCXX_SYSHDR
47#pragma GCC system_header
48#endif
49
50#include <bits/c++config.h>
51
52namespace std _GLIBCXX_VISIBILITY(default)
53{
54_GLIBCXX_BEGIN_NAMESPACE_VERSION
55
56 /**
57 * @defgroup allocators Allocators
58 * @ingroup memory
59 *
60 * Classes encapsulating memory operations.
61 *
62 * @{
63 */
64
65 // Included in freestanding as a libstdc++ extension.
66 template<typename>
67 class allocator;
68
69 template<>
70 class allocator<void>;
71
72#if __cplusplus >= 201103L
73 /// Declare uses_allocator so it can be specialized in `<queue>` etc.
74 template<typename, typename>
76
77 template<typename>
78 struct allocator_traits;
79#endif
80
81 /// @} group memory
82
83_GLIBCXX_END_NAMESPACE_VERSION
84} // namespace std
85
86#endif
ISO C++ entities toplevel namespace is std.
Uniform interface to all allocator types.
The standard allocator, as per C++03 [20.4.1].
Definition allocator.h:134
Declare uses_allocator so it can be specialized in <queue> etc.
Definition memoryfwd.h:75