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60 lines
1.8 KiB
60 lines
1.8 KiB
/*============================================================================= |
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Copyright (c) 1999-2003 Jaakko Jarvi |
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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_EQUAL_TO_05052005_1142) |
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#define FUSION_EQUAL_TO_05052005_1142 |
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#include <boost/mpl/bool.hpp> |
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#include <boost/fusion/iterator/deref.hpp> |
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#include <boost/fusion/iterator/next.hpp> |
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#include <boost/fusion/iterator/equal_to.hpp> |
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namespace boost { namespace fusion { namespace detail |
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{ |
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template <typename Seq1, typename Seq2, bool same_size> |
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struct sequence_equal_to |
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{ |
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typedef typename result_of::end<Seq1>::type end1_type; |
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typedef typename result_of::end<Seq2>::type end2_type; |
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template <typename I1, typename I2> |
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static bool |
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call(I1 const&, I2 const&, mpl::true_) |
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{ |
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return true; |
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} |
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template <typename I1, typename I2> |
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static bool |
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call(I1 const& a, I2 const& b, mpl::false_) |
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{ |
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return *a == *b |
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&& call(fusion::next(a), fusion::next(b)); |
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} |
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template <typename I1, typename I2> |
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static bool |
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call(I1 const& a, I2 const& b) |
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{ |
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typename result_of::equal_to<I1, end1_type>::type eq; |
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return call(a, b, eq); |
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} |
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}; |
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template <typename Seq1, typename Seq2> |
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struct sequence_equal_to<Seq1, Seq2, false> |
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{ |
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template <typename I1, typename I2> |
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static bool |
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call(I1 const& /*a*/, I2 const& /*b*/) |
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{ |
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return false; |
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} |
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}; |
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}}} |
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#endif
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