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34 lines
1.2 KiB
34 lines
1.2 KiB
/*============================================================================= |
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Copyright (c) 2001-2011 Joel de Guzman |
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Distributed under the Boost Software License, Version 1.0. (See accompanying |
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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==============================================================================*/ |
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#if !defined(FUSION_ENABLE_COMPARISON_09232005_1958) |
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#define FUSION_ENABLE_COMPARISON_09232005_1958 |
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#include <boost/mpl/or.hpp> |
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#include <boost/mpl/and.hpp> |
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#include <boost/mpl/not.hpp> |
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#include <boost/mpl/equal_to.hpp> |
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#include <boost/fusion/support/sequence_base.hpp> |
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#include <boost/fusion/support/is_sequence.hpp> |
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#include <boost/fusion/sequence/intrinsic/size.hpp> |
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namespace boost { namespace fusion { namespace traits |
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{ |
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template <typename Seq1, typename Seq2, typename Enable = void> |
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struct enable_equality |
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: mpl::or_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> > |
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{}; |
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template <typename Seq1, typename Seq2, typename Enable = void> |
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struct enable_comparison |
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: mpl::and_< |
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mpl::or_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> > |
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, mpl::equal_to<result_of::size<Seq1>, result_of::size<Seq2> > |
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> |
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{}; |
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}}} |
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#endif
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