// Copyright (c) 2007  Max-Planck-Institute Saarbruecken (Germany).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; version 2.1 of the License.
// See the file LICENSE.LGPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/trunk/STL_Extension/include/CGAL/type_traits.h $
// $Id: type_traits.h 53026 2009-11-14 11:49:52Z spion $
//
// Author(s)     : Andreas Meyer

#ifndef CGAL_TYPE_TRAITS_H
#define CGAL_TYPE_TRAITS_H

#include <boost/type_traits/is_same.hpp>
#include <boost/type_traits/is_base_and_derived.hpp>
#include <boost/mpl/or.hpp>

namespace CGAL {

template< class Base, class Derived >
struct is_same_or_derived :
  public ::boost::mpl::or_<
    ::boost::is_same< Base, Derived >,
    ::boost::is_base_and_derived< Base, Derived >
  >::type
{};

}

#endif
