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  1. // rb_tree extension -*- C++ -*-
  2.  
  3. // Copyright (C) 2002-2013 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.   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.