libstdc++-v3/include/ext/rb_tree

   1 // rb_tree extension -*- C++ -*-
   2
   3 // Copyright (C) 2002-2020 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
  63 namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
  64 {
  65 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  66
  67   // Class rb_tree is not part of the C++ standard.  It is provided for
  68   // compatibility with the HP STL.
  69
  70   /**
  71    *  This is an SGI extension.
  72    *  @ingroup SGIextensions
  73    *  @doctodo
  74    */
  75   template <class _Key, class _Value, class _KeyOfValue, class _Compare,
  76             class _Alloc = std::allocator<_Value> >
  77     struct rb_tree
  78     : public std::_Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc>
  79     {
  80       typedef std::_Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc> _Base;
  81       typedef typename _Base::allocator_type allocator_type;
  82
  83       rb_tree(const _Compare& __comp = _Compare(),
  84               const allocator_type& __a = allocator_type())
  85       : _Base(__comp, __a) { }
  86
  87       ~rb_tree() { }
  88     };
  89
  90 _GLIBCXX_END_NAMESPACE_VERSION
  91 } // namespace
  92
  93 #endif