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