#ifndef BOOST_MPL_EMPTY_SEQUENCE_HPP_INCLUDED

 #define BOOST_MPL_EMPTY_SEQUENCE_HPP_INCLUDED

 // Copyright Aleksey Gurtovoy 2004

 // Copyright Alexander Nasonov 2004

 //

 // Distributed under the Boost Software License, Version 1.0. 

 // (See accompanying file LICENSE_1_0.txt or copy at 

 // http://www.boost.org/LICENSE_1_0.txt)

 //

 // See http://www.boost.org/libs/mpl for documentation.

 // $Source: /cvsroot/boost/boost/boost/mpl/empty_sequence.hpp,v $

 // $Date: 2004/11/28 01:53:40 $

 // $Revision: 1.2 $

 #include <boost/mpl/size_fwd.hpp>

 #include <boost/mpl/int.hpp>

 #include <boost/mpl/iterator_tags.hpp>

 namespace boost { namespace mpl {

 struct empty_sequence

 {

     struct tag; 

     struct begin { typedef random_access_iterator_tag category; };    

     typedef begin end;

 };

 template<>

 struct size_impl<empty_sequence::tag>

 {

     template< typename Sequence > struct apply

         : int_<0>

     {

     };

 };

 }}

 #endif // #ifndef BOOST_MPL_EMPTY_SEQUENCE_HPP_INCLUDED