1// rb_tree extension -*- C++ -*-
2
3// Copyright (C) 2002-2018 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#pragma GCC system_header
60
61#include <bits/stl_tree.h>
62
63namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
64{
65_GLIBCXX_BEGIN_NAMESPACE_VERSION
66
67  using std::_Rb_tree;
68  using std::allocator;
69
70  // Class rb_tree is not part of the C++ standard.  It is provided for
71  // compatibility with the HP STL.
72
73  /**
74   *  This is an SGI extension.
75   *  @ingroup SGIextensions
76   *  @doctodo
77   */
78  template <class _Key, class _Value, class _KeyOfValue, class _Compare,
79	    class _Alloc = allocator<_Value> >
80    struct rb_tree
81    : public _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc>
82    {
83      typedef _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc> _Base;
84      typedef typename _Base::allocator_type allocator_type;
85
86      rb_tree(const _Compare& __comp = _Compare(),
87	      const allocator_type& __a = allocator_type())
88      : _Base(__comp, __a) { }
89
90      ~rb_tree() { }
91    };
92
93_GLIBCXX_END_NAMESPACE_VERSION
94} // namespace
95
96#endif
97