| /*============================================================================= | |
| 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/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 |