189 lines
6.0 KiB
Plaintext
189 lines
6.0 KiB
Plaintext
/*=============================================================================
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Copyright (c) 2010 Christopher Schmidt
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Copyright (c) 2001-2011 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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This is an auto-generated file. Do not edit!
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==============================================================================*/
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# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
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# define BOOST_FUSION_FOLD_IMPL_ENABLER(T) void
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# else
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# define BOOST_FUSION_FOLD_IMPL_ENABLER(T) typename T::type
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# endif
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namespace boost { namespace fusion
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{
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namespace detail
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{
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template<int SeqSize, typename It, typename State, typename F, typename = void
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# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
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, bool = SeqSize == 0
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# endif
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>
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struct result_of_it_iter_fold
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{};
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template<typename It, typename State, typename F>
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struct result_of_it_iter_fold<0,It,State,F
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, typename boost::enable_if_has_type<BOOST_FUSION_FOLD_IMPL_ENABLER(State)>::type
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# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
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, true
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# endif
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>
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{
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typedef typename State::type type;
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};
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template<int SeqSize, typename It, typename State, typename F>
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struct result_of_it_iter_fold<SeqSize,It,State,F
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, typename boost::enable_if_has_type<
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# if BOOST_WORKAROUND (BOOST_MSVC, >= 1500)
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typename boost::disable_if_c<SeqSize == 0, State>::type::type
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# else
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BOOST_FUSION_FOLD_IMPL_ENABLER(State)
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# endif
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>::type
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# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
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, false
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# endif
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>
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: result_of_it_iter_fold<
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SeqSize-1
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, typename result_of::next<It>::type
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, boost::result_of<
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F(
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typename add_reference<typename State::type>::type,
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It const&
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)
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>
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, F
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>
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{};
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template<typename It, typename State, typename F>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename result_of_it_iter_fold<
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0
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, It
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, State
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, F
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>::type
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it_iter_fold(mpl::int_<0>, It const&, typename State::type state, F&)
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{
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return state;
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}
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template<typename It, typename State, typename F, int SeqSize>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename lazy_enable_if_c<
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SeqSize != 0
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, result_of_it_iter_fold<
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SeqSize
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, It
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, State
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, F
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>
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>::type
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it_iter_fold(mpl::int_<SeqSize>, It const& it, typename State::type state, F& f)
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{
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return it_iter_fold<
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typename result_of::next<It>::type
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, boost::result_of<
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F(
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typename add_reference<typename State::type>::type,
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It const&
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)
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>
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, F
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>(
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mpl::int_<SeqSize-1>()
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, fusion::next(it)
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, f(state, it)
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, f
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);
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}
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template<typename Seq, typename State, typename F
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, bool = traits::is_sequence<Seq>::value
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, bool = traits::is_segmented<Seq>::value>
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struct result_of_iter_fold
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{};
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template<typename Seq, typename State, typename F>
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struct result_of_iter_fold<Seq, State, F, true, false>
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: result_of_it_iter_fold<
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result_of::size<Seq>::value
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, typename result_of::begin<Seq>::type
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, add_reference<State>
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, F
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>
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{};
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template<typename Seq, typename State, typename F>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename result_of_iter_fold<Seq, State, F>::type
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iter_fold(Seq& seq, State& state, F& f)
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{
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return it_iter_fold<
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typename result_of::begin<Seq>::type
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, add_reference<State>
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, F
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>(
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typename result_of::size<Seq>::type()
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, fusion::begin(seq)
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, state
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, f
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);
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}
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}
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namespace result_of
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{
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template<typename Seq, typename State, typename F>
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struct iter_fold
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: detail::result_of_iter_fold<Seq, State, F>
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{};
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}
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template<typename Seq, typename State, typename F>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename result_of::iter_fold<
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Seq
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, State const
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, F
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>::type
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iter_fold(Seq& seq, State const& state, F f)
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{
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return detail::iter_fold<Seq, State const, F>(seq, state, f);
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}
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template<typename Seq, typename State, typename F>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename result_of::iter_fold<
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Seq const
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, State const
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, F
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>::type
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iter_fold(Seq const& seq, State const& state, F f)
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{
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return detail::iter_fold<Seq const, State const, F>(seq, state, f);
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}
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template<typename Seq, typename State, typename F>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename result_of::iter_fold<
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Seq
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, State
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, F
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>::type
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iter_fold(Seq& seq, State& state, F f)
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{
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return detail::iter_fold<Seq, State, F>(seq, state, f);
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}
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template<typename Seq, typename State, typename F>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename result_of::iter_fold<
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Seq const
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, State
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, F
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>::type
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iter_fold(Seq const& seq, State& state, F f)
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{
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return detail::iter_fold<Seq const, State, F>(seq, state, f);
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}
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}}
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