2 #ifndef BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED
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3 #define BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED
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5 // Copyright Aleksey Gurtovoy 2000-2004
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7 // Distributed under the Boost Software License, Version 1.0.
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8 // (See accompanying file LICENSE_1_0.txt or copy at
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9 // http://www.boost.org/LICENSE_1_0.txt)
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11 // See http://www.boost.org/libs/mpl for documentation.
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13 // $Id: count_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
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14 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
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15 // $Revision: 49267 $
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17 #include <boost/mpl/count_fwd.hpp>
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18 #include <boost/mpl/count_if.hpp>
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19 #include <boost/mpl/same_as.hpp>
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20 #include <boost/mpl/aux_/config/static_constant.hpp>
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21 #include <boost/mpl/aux_/config/workaround.hpp>
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22 #include <boost/mpl/aux_/traits_lambda_spec.hpp>
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24 namespace boost { namespace mpl {
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26 template< typename Tag > struct count_impl
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28 template< typename Sequence, typename T > struct apply
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29 #if BOOST_WORKAROUND(__BORLANDC__,BOOST_TESTED_AT(0x561))
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31 typedef typename count_if< Sequence,same_as<T> >::type type;
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32 BOOST_STATIC_CONSTANT(int, value = BOOST_MPL_AUX_VALUE_WKND(type)::value);
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34 : count_if< Sequence,same_as<T> >
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40 BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2,count_impl)
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44 #endif // BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED
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