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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/type_traits/is_const.hpp>
#include <boost/utility/enable_if.hpp>
#include <boost/fusion/support/detail/segmented_fold_until_impl.hpp>
#include <boost/fusion/view/iterator_range.hpp>
#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/fusion/sequence/intrinsic/end.hpp>
#include <boost/fusion/sequence/intrinsic/empty.hpp>
#include <boost/fusion/container/list/cons.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>
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>
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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Swift