Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2001-2011 Joel de Guzman
Chris@16:     Copyright (c) 2005-2006 Dan Marsden
Chris@16: 
Chris@16:     Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16:     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: ==============================================================================*/
Chris@16: #if !defined(BOOST_FUSION_EMPTY_IMPL_31122005_1554)
Chris@16: #define BOOST_FUSION_EMPTY_IMPL_31122005_1554
Chris@16: 
Chris@101: #include <boost/fusion/support/config.hpp>
Chris@16: #include <boost/mpl/empty.hpp>
Chris@16: 
Chris@16: namespace boost { namespace fusion
Chris@16: {
Chris@16:     struct mpl_sequence_tag;
Chris@16: 
Chris@16:     namespace extension
Chris@16:     {
Chris@16:         template <typename Sequence>
Chris@16:         struct empty_impl;
Chris@16: 
Chris@16:         template <>
Chris@16:         struct empty_impl<mpl_sequence_tag>
Chris@16:         {
Chris@16:             template <typename Sequence>
Chris@16:             struct apply : mpl::empty<Sequence> {};
Chris@16:         };
Chris@16:     }
Chris@16: }}
Chris@16: 
Chris@16: #endif