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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_END_IMPL_HPP_INCLUDED)
#define BOOST_FUSION_SEGMENTED_END_IMPL_HPP_INCLUDED
#include <boost/fusion/support/config.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/type_traits/add_const.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/fusion/sequence/intrinsic_fwd.hpp>
#include <boost/fusion/container/list/cons_fwd.hpp>
#include <boost/fusion/support/is_segmented.hpp>
namespace boost { namespace fusion
{
template <typename First, typename Last>
struct iterator_range;
}}
namespace boost { namespace fusion { namespace detail
{
//auto segmented_end_impl( seq, stack )
//{
// assert(is_segmented(seq));
// auto it = end(segments(seq));
// return cons(iterator_range(it, it), stack);
//}
template <typename Sequence, typename Stack>
struct segmented_end_impl
{
BOOST_MPL_ASSERT((traits::is_segmented<Sequence>));
typedef
typename result_of::end<
typename remove_reference<
typename add_const<
typename result_of::segments<Sequence>::type
>::type
>::type
>::type
end_type;
typedef iterator_range<end_type, end_type> pair_type;
typedef cons<pair_type, Stack> type;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static pair_type make_pair(end_type end)
{
return pair_type(end, end);
}
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static type call(Sequence & seq, Stack stack)
{
return type(
make_pair(fusion::end(fusion::segments(seq))),
stack);
}
};
}}}
#endif