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- /*=============================================================================
- Copyright (c) 2011 Eric Niebler
- 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)
- ==============================================================================*/
- #if !defined(BOOST_FUSION_SEGMENTED_FOLD_UNTIL_HPP_INCLUDED)
- #define BOOST_FUSION_SEGMENTED_FOLD_UNTIL_HPP_INCLUDED
- #include <boost/fusion/support/config.hpp>
- #include <boost/type_traits/is_const.hpp>
- #include <boost/utility/enable_if.hpp>
- #include <boost/fusion/support/detail/segmented_fold_until_impl.hpp>
- namespace boost { namespace fusion
- {
- //auto segmented_fold_until(seq, state, fun)
- //{
- // return first(segmented_fold_until_impl(seq, state, nil_, fun));
- //}
- namespace result_of
- {
- template <typename Sequence, typename State, typename Fun>
- struct segmented_fold_until
- {
- typedef
- detail::segmented_fold_until_impl<
- Sequence
- , State
- , fusion::nil_
- , Fun
- >
- filter;
- typedef
- typename filter::type
- type;
- };
- }
- template <typename Sequence, typename State, typename Fun>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- inline typename
- lazy_disable_if<
- is_const<Sequence>
- , result_of::segmented_fold_until<Sequence, State, Fun>
- >::type
- segmented_fold_until(Sequence& seq, State const& state, Fun const& fun)
- {
- typedef
- typename result_of::segmented_fold_until<Sequence, State, Fun>::filter
- filter;
- return filter::call(seq, state, fusion::nil_(), fun);
- }
- template <typename Sequence, typename State, typename Fun>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- inline typename result_of::segmented_fold_until<Sequence const, State, Fun>::type
- segmented_fold_until(Sequence const& seq, State const& state, Fun const& fun)
- {
- typedef
- typename result_of::segmented_fold_until<Sequence const, State, Fun>::filter
- filter;
- return filter::call(seq, state, fusion::nil_(), fun);
- }
- }}
- #endif
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