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38 lines
842 B
38 lines
842 B
#ifndef BOOST_METAPARSE_V1_FOLDL1_HPP |
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#define BOOST_METAPARSE_V1_FOLDL1_HPP |
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// Copyright Abel Sinkovics (abel@sinkovics.hu) 2011. |
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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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#include <boost/mpl/if.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 State, class ForwardOp> |
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struct foldl1 |
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{ |
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typedef foldl1 type; |
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template <class S, class Pos> |
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struct apply : |
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boost::mpl::if_< |
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is_error<typename P::template apply<S, Pos> >, |
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P, |
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foldl<P, State, ForwardOp> |
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>::type::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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#endif |
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