+++ /dev/null
-/*=============================================================================
- Copyright (c) 2001-2006 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/mpl/or.hpp>
-#include <boost/mpl/and.hpp>
-#include <boost/mpl/not.hpp>
-#include <boost/mpl/equal_to.hpp>
-#include <boost/fusion/support/is_sequence.hpp>
-#include <boost/fusion/sequence/intrinsic/size.hpp>
-#include <boost/fusion/support/detail/is_mpl_sequence.hpp>
-
-namespace boost { namespace fusion { namespace detail
-{
- template <typename Sequence>
- struct is_native_fusion_sequence : is_base_of<sequence_root, Sequence> {};
-
- template <typename Seq1, typename Seq2>
- struct enable_equality
- : mpl::or_<is_native_fusion_sequence<Seq1>, is_native_fusion_sequence<Seq2> >
- {};
-
- template <typename Seq1, typename Seq2>
- struct enable_comparison
- : mpl::and_<
- mpl::or_<is_native_fusion_sequence<Seq1>, is_native_fusion_sequence<Seq2> >
- , mpl::equal_to<result_of::size<Seq1>, result_of::size<Seq2> >
- >
- {};
-
-}}}
-
-#endif