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49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
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#ifndef BOOST_MPL_FOLD_HPP_INCLUDED
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#define BOOST_MPL_FOLD_HPP_INCLUDED
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// Copyright Aleksey Gurtovoy 2001-2004
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// Copyright David Abrahams 2001-2002
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#include <boost/mpl/begin_end.hpp>
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#include <boost/mpl/O1_size.hpp>
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#include <boost/mpl/aux_/fold_impl.hpp>
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#include <boost/mpl/aux_/na_spec.hpp>
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#include <boost/mpl/aux_/lambda_support.hpp>
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namespace boost { namespace mpl {
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template<
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typename BOOST_MPL_AUX_NA_PARAM(Sequence)
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, typename BOOST_MPL_AUX_NA_PARAM(State)
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, typename BOOST_MPL_AUX_NA_PARAM(ForwardOp)
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>
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struct fold
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{
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typedef typename aux::fold_impl<
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::boost::mpl::O1_size<Sequence>::value
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, typename begin<Sequence>::type
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, typename end<Sequence>::type
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, State
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, ForwardOp
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>::state type;
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BOOST_MPL_AUX_LAMBDA_SUPPORT(3,fold,(Sequence,State,ForwardOp))
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};
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BOOST_MPL_AUX_NA_SPEC(3, fold)
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}}
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#endif // BOOST_MPL_FOLD_HPP_INCLUDED
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