entry_metadata_base.hpp

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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
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/**
 * @file list_update_map_/entry_metadata_base.hpp
 * Contains an implementation for a list update map.
 */

#ifndef PB_DS_LU_MAP_ENTRY_METADATA_BASE_HPP
#define PB_DS_LU_MAP_ENTRY_METADATA_BASE_HPP

namespace __gnu_pbds
{
  namespace detail
  {
    template<typename Metadata>
    struct lu_map_entry_metadata_base
    {
      Metadata m_update_metadata;
    };
    
    template<>
    struct lu_map_entry_metadata_base<null_type>
    { };  
  } // namespace detail
} // namespace __gnu_pbds

#endif