Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2001-2011 Joel de Guzman
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(FUSION_ENABLE_COMPARISON_09232005_1958)
Chris@16: #define FUSION_ENABLE_COMPARISON_09232005_1958
Chris@16: 
Chris@101: #include <boost/fusion/support/config.hpp>
Chris@16: #include <boost/mpl/or.hpp>
Chris@16: #include <boost/mpl/and.hpp>
Chris@16: #include <boost/mpl/not.hpp>
Chris@16: #include <boost/mpl/equal_to.hpp>
Chris@16: #include <boost/fusion/support/sequence_base.hpp>
Chris@16: #include <boost/fusion/support/is_sequence.hpp>
Chris@16: #include <boost/fusion/sequence/intrinsic/size.hpp>
Chris@16: 
Chris@16: namespace boost { namespace fusion { namespace traits
Chris@16: {
Chris@16:     template <typename Seq1, typename Seq2, typename Enable = void>
Chris@16:     struct enable_equality
Chris@16:         : mpl::or_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> >
Chris@16:     {};
Chris@16: 
Chris@16:     template <typename Seq1, typename Seq2, typename Enable = void>
Chris@16:     struct enable_comparison
Chris@16:         : mpl::and_<
Chris@16:             mpl::or_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> >
Chris@16:           , mpl::equal_to<result_of::size<Seq1>, result_of::size<Seq2> >
Chris@16:         >
Chris@16:     {};
Chris@16: }}}
Chris@16: 
Chris@16: #endif