1// <memory> Forward declarations -*- C++ -*- 
2 
3// Copyright (C) 2001-2021 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 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 
84