2006-08-16 16:50:52 +00:00
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/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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2007-03-02 10:44:14 +00:00
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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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2006-08-16 16:50:52 +00:00
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==============================================================================*/
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#if !defined(FUSION_COUNT_09162005_0150)
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#define FUSION_COUNT_09162005_0150
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#include <boost/fusion/support/detail/as_fusion_element.hpp>
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/fusion/sequence/intrinsic/end.hpp>
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#include <boost/fusion/iterator/equal_to.hpp>
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#include <boost/fusion/algorithm/query/detail/count_if.hpp>
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#include <boost/fusion/algorithm/query/detail/count.hpp>
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#include <boost/fusion/support/detail/access.hpp>
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namespace boost { namespace fusion
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{
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namespace result_of
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{
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template <typename Sequence, typename F>
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struct count
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{
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typedef int type;
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};
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}
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template <typename Sequence, typename T>
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inline int
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count(Sequence const& seq, T const& x)
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{
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detail::count_compare<T> f(x);
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return detail::count_if(
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fusion::begin(seq)
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, fusion::end(seq)
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, f
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, result_of::equal_to<
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typename result_of::begin<Sequence>::type
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, typename result_of::end<Sequence>::type>());
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}
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}}
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#endif
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