libstdc++-v3/include/ext/rb_tree

   1 // rb_tree extension -*- C++ -*-
   2
   3 // Copyright (C) 2002 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 2, 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 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 /*
  31  *
  32  * Copyright (c) 1994
  33  * Hewlett-Packard Company
  34  *
  35  * Permission to use, copy, modify, distribute and sell this software
  36  * and its documentation for any purpose is hereby granted without fee,
  37  * provided that the above copyright notice appear in all copies and
  38  * that both that copyright notice and this permission notice appear
  39  * in supporting documentation.  Hewlett-Packard Company makes no
  40  * representations about the suitability of this software for any
  41  * purpose.  It is provided "as is" without express or implied warranty.
  42  *
  43  *
  44  * Copyright (c) 1996
  45  * Silicon Graphics Computer Systems, Inc.
  46  *
  47  * Permission to use, copy, modify, distribute and sell this software
  48  * and its documentation for any purpose is hereby granted without fee,
  49  * provided that the above copyright notice appear in all copies and
  50  * that both that copyright notice and this permission notice appear
  51  * in supporting documentation.  Silicon Graphics makes no
  52  * representations about the suitability of this software for any
  53  * purpose.  It is provided "as is" without express or implied warranty.
  54  */
  55
  56 /** @file ext/rb_tree
  57  *  This file is a GNU extension to the Standard C++ Library (possibly
  58  *  containing extensions from the HP/SGI STL subset).  You should only
  59  *  include this header if you are using GCC 3 or later.
  60  */
  61
  62 #ifndef _RB_TREE
  63 #define _RB_TREE 1
  64
  65 #pragma GCC system_header
  66
  67 #include <bits/stl_tree.h>
  68
  69 namespace __gnu_cxx
  70 {
  71   using std::_Rb_tree;
  72   using std::allocator;
  73
  74   // Class rb_tree is not part of the C++ standard.  It is provided for
  75   // compatibility with the HP STL.
  76
  77   /**
  78    *  This is an SGI extension.
  79    *  @ingroup SGIextensions
  80    *  @doctodo
  81    */
  82   template <class _Key, class _Value, class _KeyOfValue, class _Compare,
  83             class _Alloc = allocator<_Value> >
  84   struct rb_tree : public _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc>
  85   {
  86     typedef _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc> _Base;
  87     typedef typename _Base::allocator_type allocator_type;
  88
  89     rb_tree(const _Compare& __comp = _Compare(),
  90             const allocator_type& __a = allocator_type())
  91       : _Base(__comp, __a) { }
  92
  93     ~rb_tree() { }
  94   };
  95 } // namespace __gnu_cxx
  96
  97 #endif