| /*============================================================================= |
| Copyright (c) 2001-2011 Joel de Guzman |
| Copyright (c) 2007 Dan Marsden |
| Copyright (c) 2009-2010 Christopher Schmidt |
| |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| This is an auto-generated file. Do not edit! |
| ==============================================================================*/ |
| # if BOOST_WORKAROUND (BOOST_MSVC, < 1500) |
| # define BOOST_FUSION_FOLD_IMPL_ENABLER(T) void |
| # else |
| # define BOOST_FUSION_FOLD_IMPL_ENABLER(T) typename T::type |
| # endif |
| namespace boost { namespace fusion |
| { |
| namespace detail |
| { |
| template<int SeqSize, typename It, typename State, typename F, typename = void |
| # if BOOST_WORKAROUND (BOOST_MSVC, < 1500) |
| |
| , bool = SeqSize == 0 |
| # endif |
| > |
| struct result_of_it_fold |
| {}; |
| template<typename It, typename State, typename F> |
| struct result_of_it_fold<0,It,State,F |
| , typename boost::enable_if_has_type<BOOST_FUSION_FOLD_IMPL_ENABLER(State)>::type |
| # if BOOST_WORKAROUND (BOOST_MSVC, < 1500) |
| , true |
| # endif |
| > |
| { |
| typedef typename State::type type; |
| }; |
| template<int SeqSize, typename It, typename State, typename F> |
| struct result_of_it_fold<SeqSize,It,State,F |
| , typename boost::enable_if_has_type< |
| # if BOOST_WORKAROUND (BOOST_MSVC, >= 1500) |
| |
| |
| |
| typename boost::disable_if_c<SeqSize == 0, State>::type::type |
| # else |
| BOOST_FUSION_FOLD_IMPL_ENABLER(State) |
| # endif |
| >::type |
| # if BOOST_WORKAROUND (BOOST_MSVC, < 1500) |
| , false |
| # endif |
| > |
| : result_of_it_fold< |
| SeqSize-1 |
| , typename result_of::next<It>::type |
| , boost::result_of< |
| F( |
| typename add_reference<typename State::type>::type, |
| typename fusion::result_of::deref<It const>::type |
| ) |
| > |
| , F |
| > |
| {}; |
| template<typename It, typename State, typename F> |
| BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| inline typename result_of_it_fold< |
| 0 |
| , It |
| , State |
| , F |
| >::type |
| it_fold(mpl::int_<0>, It const&, typename State::type state, F&) |
| { |
| return state; |
| } |
| template<typename It, typename State, typename F, int SeqSize> |
| BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| inline typename lazy_enable_if_c< |
| SeqSize != 0 |
| , result_of_it_fold< |
| SeqSize |
| , It |
| , State |
| , F |
| > |
| >::type |
| it_fold(mpl::int_<SeqSize>, It const& it, typename State::type state, F& f) |
| { |
| return it_fold< |
| typename result_of::next<It>::type |
| , boost::result_of< |
| F( |
| typename add_reference<typename State::type>::type, |
| typename fusion::result_of::deref<It const>::type |
| ) |
| > |
| , F |
| >( |
| mpl::int_<SeqSize-1>() |
| , fusion::next(it) |
| , f(state, fusion::deref(it)) |
| , f |
| ); |
| } |
| template<typename Seq, typename State, typename F |
| , bool = traits::is_sequence<Seq>::value |
| , bool = traits::is_segmented<Seq>::value> |
| struct result_of_fold |
| {}; |
| template<typename Seq, typename State, typename F> |
| struct result_of_fold<Seq, State, F, true, false> |
| : result_of_it_fold< |
| result_of::size<Seq>::value |
| , typename result_of::begin<Seq>::type |
| , add_reference<State> |
| , F |
| > |
| {}; |
| template<typename Seq, typename State, typename F> |
| BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| inline typename result_of_fold<Seq, State, F>::type |
| fold(Seq& seq, State& state, F& f) |
| { |
| return it_fold< |
| typename result_of::begin<Seq>::type |
| , add_reference<State> |
| , F |
| >( |
| typename result_of::size<Seq>::type() |
| , fusion::begin(seq) |
| , state |
| , f |
| ); |
| } |
| } |
| namespace result_of |
| { |
| template<typename Seq, typename State, typename F> |
| struct fold |
| : detail::result_of_fold<Seq, State, F> |
| {}; |
| } |
| template<typename Seq, typename State, typename F> |
| BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| inline typename result_of::fold< |
| Seq |
| , State const |
| , F |
| >::type |
| fold(Seq& seq, State const& state, F f) |
| { |
| return detail::fold<Seq, State const, F>(seq, state, f); |
| } |
| template<typename Seq, typename State, typename F> |
| BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| inline typename result_of::fold< |
| Seq const |
| , State const |
| , F |
| >::type |
| fold(Seq const& seq, State const& state, F f) |
| { |
| return detail::fold<Seq const, State const, F>(seq, state, f); |
| } |
| template<typename Seq, typename State, typename F> |
| BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| inline typename result_of::fold< |
| Seq |
| , State |
| , F |
| >::type |
| fold(Seq& seq, State& state, F f) |
| { |
| return detail::fold<Seq, State, F>(seq, state, f); |
| } |
| template<typename Seq, typename State, typename F> |
| BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| inline typename result_of::fold< |
| Seq const |
| , State |
| , F |
| >::type |
| fold(Seq const& seq, State& state, F f) |
| { |
| return detail::fold<Seq const, State, F>(seq, state, f); |
| } |
| }} |
