libstdc++: rb_tree Source File

libstdc++

rb_tree
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1// rb_tree extension -*- C++ -*-
2
3// Copyright (C) 2002-2026 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 *
27 * Copyright (c) 1994
28 * Hewlett-Packard Company
29 *
30 * Permission to use, copy, modify, distribute and sell this software
31 * and its documentation for any purpose is hereby granted without fee,
32 * provided that the above copyright notice appear in all copies and
33 * that both that copyright notice and this permission notice appear
34 * in supporting documentation. Hewlett-Packard Company makes no
35 * representations about the suitability of this software for any
36 * purpose. It is provided "as is" without express or implied warranty.
37 *
38 *
39 * Copyright (c) 1996
40 * Silicon Graphics Computer Systems, Inc.
41 *
42 * Permission to use, copy, modify, distribute and sell this software
43 * and its documentation for any purpose is hereby granted without fee,
44 * provided that the above copyright notice appear in all copies and
45 * that both that copyright notice and this permission notice appear
46 * in supporting documentation. Silicon Graphics makes no
47 * representations about the suitability of this software for any
48 * purpose. It is provided "as is" without express or implied warranty.
49 */
50
51/** @file ext/rb_tree
52 * This file is a GNU extension to the Standard C++ Library (possibly
53 * containing extensions from the HP/SGI STL subset).
54 */
55
56#ifndef _RB_TREE
57#define _RB_TREE 1
58
59#ifdef _GLIBCXX_SYSHDR
60#pragma GCC system_header
61#endif
62
63#include <bits/requires_hosted.h> // GNU extensions are currently omitted
64
65#include <bits/stl_tree.h>
66
67namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
68{
69_GLIBCXX_BEGIN_NAMESPACE_VERSION
70
71 // Class rb_tree is not part of the C++ standard. It is provided for
72 // compatibility with the HP STL.
73
74 /**
75 * This is an SGI extension.
76 * @ingroup SGIextensions
77 * @doctodo
78 */
79 template <class _Key, class _Value, class _KeyOfValue, class _Compare,
80 class _Alloc = std::allocator<_Value> >
81 struct rb_tree
82 : public std::_Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc>
83 {
84 typedef std::_Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc> _Base;
85 typedef typename _Base::allocator_type allocator_type;
86
87 rb_tree(const _Compare& __comp = _Compare(),
88 const allocator_type& __a = allocator_type())
89 : _Base(__comp, __a) { }
90
91 ~rb_tree() { }
92 };
93
94_GLIBCXX_END_NAMESPACE_VERSION
95} // namespace
96
97#endif
requires_hosted.h
stl_tree.h
__gnu_cxx
GNU extensions for public use.