Chris@16: 
Chris@16: #ifndef BOOST_MPL_EMPTY_SEQUENCE_HPP_INCLUDED
Chris@16: #define BOOST_MPL_EMPTY_SEQUENCE_HPP_INCLUDED
Chris@16: 
Chris@16: // Copyright Aleksey Gurtovoy 2004
Chris@16: // Copyright Alexander Nasonov 2004
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. 
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/mpl for documentation.
Chris@16: 
Chris@101: // $Id$
Chris@101: // $Date$
Chris@101: // $Revision$
Chris@16: 
Chris@16: #include <boost/mpl/size_fwd.hpp>
Chris@16: #include <boost/mpl/int.hpp>
Chris@16: #include <boost/mpl/iterator_tags.hpp>
Chris@16: 
Chris@16: namespace boost { namespace mpl {
Chris@16: 
Chris@16: struct empty_sequence
Chris@16: {
Chris@16:     struct tag; 
Chris@16:     struct begin { typedef random_access_iterator_tag category; };    
Chris@16:     typedef begin end;
Chris@16: };
Chris@16: 
Chris@16: template<>
Chris@16: struct size_impl<empty_sequence::tag>
Chris@16: {
Chris@16:     template< typename Sequence > struct apply
Chris@16:         : int_<0>
Chris@16:     {
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #endif // #ifndef BOOST_MPL_EMPTY_SEQUENCE_HPP_INCLUDED