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2 | #ifndef BOOST_MPL_ITER_FOLD_HPP_INCLUDED
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3 | #define BOOST_MPL_ITER_FOLD_HPP_INCLUDED
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4 |
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5 | // Copyright Aleksey Gurtovoy 2001-2004
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6 | // Copyright David Abrahams 2001-2002
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7 | //
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8 | // Distributed under the Boost Software License, Version 1.0.
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9 | // (See accompanying file LICENSE_1_0.txt or copy at
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10 | // http://www.boost.org/LICENSE_1_0.txt)
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11 | //
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12 | // See http://www.boost.org/libs/mpl for documentation.
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13 |
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14 | // $Source: /cvsroot/boost/boost/boost/mpl/iter_fold.hpp,v $
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15 | // $Date: 2004/09/02 15:40:41 $
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16 | // $Revision: 1.4 $
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17 |
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18 | #include <boost/mpl/begin_end.hpp>
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19 | #include <boost/mpl/O1_size.hpp>
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20 | #include <boost/mpl/lambda.hpp>
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21 | #include <boost/mpl/aux_/iter_fold_impl.hpp>
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22 | #include <boost/mpl/aux_/na_spec.hpp>
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23 | #include <boost/mpl/aux_/lambda_support.hpp>
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24 |
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25 | namespace boost { namespace mpl {
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26 |
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27 | template<
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28 | typename BOOST_MPL_AUX_NA_PARAM(Sequence)
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29 | , typename BOOST_MPL_AUX_NA_PARAM(State)
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30 | , typename BOOST_MPL_AUX_NA_PARAM(ForwardOp)
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31 | >
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32 | struct iter_fold
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33 | {
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34 | typedef typename aux::iter_fold_impl<
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35 | ::boost::mpl::O1_size<Sequence>::value
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36 | , typename begin<Sequence>::type
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37 | , typename end<Sequence>::type
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38 | , State
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39 | , typename lambda<ForwardOp>::type
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40 | >::state type;
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41 |
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42 | BOOST_MPL_AUX_LAMBDA_SUPPORT(3,iter_fold,(Sequence,State,ForwardOp))
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43 | };
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44 |
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45 | BOOST_MPL_AUX_NA_SPEC(3, iter_fold)
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46 |
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47 | }}
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48 |
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49 | #endif // BOOST_MPL_ITER_FOLD_HPP_INCLUDED
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