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36 lines
1.3 KiB
36 lines
1.3 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/fusion/support/config.hpp>
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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::and_<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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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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