46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
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#ifndef BOOST_METAPARSE_V1_FOLDL_START_WITH_PARSER_HPP
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#define BOOST_METAPARSE_V1_FOLDL_START_WITH_PARSER_HPP
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// Copyright Abel Sinkovics (abel@sinkovics.hu) 2012.
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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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#include <boost/metaparse/v1/foldl.hpp>
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namespace boost
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{
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namespace metaparse
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{
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namespace v1
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{
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template <class P, class StateP, class ForwardOp>
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class foldl_start_with_parser
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{
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private:
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template <class Res>
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struct apply_unchecked :
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foldl<P, typename get_result<Res>::type, ForwardOp>::template apply<
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typename get_remaining<Res>::type,
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typename get_position<Res>::type
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>
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{};
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public:
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typedef foldl_start_with_parser type;
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template <class S, class Pos>
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struct apply :
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boost::mpl::eval_if<
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typename is_error<typename StateP::template apply<S, Pos> >::type,
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typename StateP::template apply<S, Pos>,
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apply_unchecked<typename StateP::template apply<S, Pos> >
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>
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{};
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};
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}
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}
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}
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#endif
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