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[/] [altor32/] [trunk/] [gcc-x64/] [or1knd-elf/] [or1knd-elf/] [include/] [c++/] [4.8.0/] [ext/] [pb_ds/] [detail/] [ov_tree_map_/] [traits.hpp] - Rev 35

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// -*- C++ -*-
 
// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License as published by the Free Software
// Foundation; either version 3, or (at your option) any later
// version.
 
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
 
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
 
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.
 
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
 
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
 
/**
 * @file ov_tree_map_/traits.hpp
 * Contains an implementation class for ov_tree_.
 */
 
#ifndef PB_DS_OV_TREE_NODE_AND_IT_TRAITS_HPP
#define PB_DS_OV_TREE_NODE_AND_IT_TRAITS_HPP
 
#include <ext/pb_ds/detail/ov_tree_map_/node_iterators.hpp>
 
namespace __gnu_pbds
{
  namespace detail
  {
    /// Tree traits.
    /// @ingroup traits
    template<typename Key,
	     typename Mapped,
	     class Cmp_Fn,
	     template<typename Node_CItr,
		      class Node_Itr,
		      class Cmp_Fn_,
		      typename _Alloc_>
    class Node_Update,
	     typename _Alloc>
    struct tree_traits<
      Key,
      Mapped,
      Cmp_Fn,
      Node_Update,
      ov_tree_tag,
      _Alloc>
    {
    private:
      typedef
      typename types_traits<
      Key,
      Mapped,
      _Alloc,
      false>::value_type
      value_type;
 
    public:
      typedef
      typename tree_node_metadata_dispatch<
      Key,
      Mapped,
      Cmp_Fn,
      Node_Update,
      _Alloc>::type
      metadata_type;
 
      /// This is an iterator to an iterator: it iterates over nodes,
      /// and de-referencing it returns one of the tree's iterators.
      typedef
      ov_tree_node_const_it_<
	value_type,
	metadata_type,
	_Alloc>
      node_const_iterator;
 
      typedef
      ov_tree_node_it_<
	value_type,
	metadata_type,
	_Alloc>
      node_iterator;
 
      typedef
      Node_Update<
	node_const_iterator,
	node_iterator,
	Cmp_Fn,
	_Alloc>
      node_update;
 
      typedef
      __gnu_pbds::null_node_update<
	node_const_iterator,
	node_iterator,
	Cmp_Fn,
	_Alloc>* 
      null_node_update_pointer;
    };
 
 
    /// Specialization.
    /// @ingroup traits
    template<typename Key,
	     class Cmp_Fn,
	     template<typename Node_CItr,
		      class Node_Itr,
		      class Cmp_Fn_,
		      typename _Alloc_>
    class Node_Update,
	     typename _Alloc>
    struct tree_traits<
      Key,
      null_type,
      Cmp_Fn,
      Node_Update,
      ov_tree_tag,
      _Alloc>
    {
    private:
      typedef
      typename types_traits<
      Key,
      null_type,
      _Alloc,
      false>::value_type
      value_type;
 
    public:
      typedef
      typename tree_node_metadata_dispatch<
      Key,
      null_type,
      Cmp_Fn,
      Node_Update,
      _Alloc>::type
      metadata_type;
 
      /// This is an iterator to an iterator: it iterates over nodes,
      /// and de-referencing it returns one of the tree's iterators.
      typedef
      ov_tree_node_const_it_<
	value_type,
	metadata_type,
	_Alloc>
      node_const_iterator;
 
      typedef node_const_iterator node_iterator;
 
      typedef
      Node_Update<
	node_const_iterator,
	node_const_iterator,
	Cmp_Fn,
	_Alloc>
      node_update;
 
      typedef
      __gnu_pbds::null_node_update<
	node_const_iterator,
	node_iterator,
	Cmp_Fn,
	_Alloc>* 
      null_node_update_pointer;
    };
  } // namespace detail
} // namespace __gnu_pbds
 
#endif // #ifndef PB_DS_OV_TREE_NODE_AND_IT_TRAITS_HPP
 
 

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