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50 lines
1.4 KiB
50 lines
1.4 KiB
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#ifndef BOOST_MPL_REVERSE_FOLD_HPP_INCLUDED |
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#define BOOST_MPL_REVERSE_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: reverse_fold.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
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// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
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// $Revision: 49267 $ |
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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/arg.hpp> |
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#include <boost/mpl/aux_/reverse_fold_impl.hpp> |
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#include <boost/mpl/aux_/na_spec.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(BackwardOp) |
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, typename ForwardOp = arg<1> |
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> |
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struct reverse_fold |
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{ |
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typedef typename aux::reverse_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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, BackwardOp |
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, ForwardOp |
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>::state type; |
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BOOST_MPL_AUX_LAMBDA_SUPPORT(3,reverse_fold,(Sequence,State,BackwardOp)) |
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}; |
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BOOST_MPL_AUX_NA_SPEC(3, reverse_fold) |
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}} |
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#endif // BOOST_MPL_REVERSE_FOLD_HPP_INCLUDED
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