| 1 | /*============================================================================= |
|---|---|
| 2 | Copyright (c) 2001-2011 Joel de Guzman |
| 3 | |
| 4 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 6 | ==============================================================================*/ |
| 7 | #if !defined(FUSION_ENABLE_COMPARISON_09232005_1958) |
| 8 | #define FUSION_ENABLE_COMPARISON_09232005_1958 |
| 9 | |
| 10 | #include <boost/fusion/support/config.hpp> |
| 11 | #include <boost/mpl/or.hpp> |
| 12 | #include <boost/mpl/and.hpp> |
| 13 | #include <boost/mpl/not.hpp> |
| 14 | #include <boost/mpl/equal_to.hpp> |
| 15 | #include <boost/fusion/support/sequence_base.hpp> |
| 16 | #include <boost/fusion/support/is_sequence.hpp> |
| 17 | #include <boost/fusion/sequence/intrinsic/size.hpp> |
| 18 | |
| 19 | namespace boost { namespace fusion { namespace traits |
| 20 | { |
| 21 | template <typename Seq1, typename Seq2, typename Enable = void> |
| 22 | struct enable_equality |
| 23 | : mpl::and_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> > |
| 24 | {}; |
| 25 | |
| 26 | template <typename Seq1, typename Seq2, typename Enable = void> |
| 27 | struct enable_comparison |
| 28 | : mpl::and_< |
| 29 | traits::is_sequence<Seq1>, traits::is_sequence<Seq2> |
| 30 | , mpl::equal_to<result_of::size<Seq1>, result_of::size<Seq2> > |
| 31 | > |
| 32 | {}; |
| 33 | }}} |
| 34 | |
| 35 | #endif |
| 36 |