You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
95 lines
2.6 KiB
95 lines
2.6 KiB
/*============================================================================= |
|
Copyright (c) 2001-2011 Joel de Guzman |
|
|
|
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(FUSION_END_04052005_1141) |
|
#define FUSION_END_04052005_1141 |
|
|
|
#include <boost/blank.hpp> |
|
#include <boost/utility/enable_if.hpp> |
|
#include <boost/mpl/if.hpp> |
|
#include <boost/fusion/sequence/intrinsic_fwd.hpp> |
|
#include <boost/fusion/support/tag_of.hpp> |
|
#include <boost/fusion/support/is_sequence.hpp> |
|
#include <boost/fusion/support/is_segmented.hpp> |
|
#include <boost/fusion/sequence/intrinsic/detail/segmented_end.hpp> |
|
|
|
namespace boost { namespace fusion |
|
{ |
|
// Special tags: |
|
struct sequence_facade_tag; |
|
struct boost_tuple_tag; // boost::tuples::tuple tag |
|
struct boost_array_tag; // boost::array tag |
|
struct mpl_sequence_tag; // mpl sequence tag |
|
struct std_pair_tag; // std::pair tag |
|
|
|
namespace extension |
|
{ |
|
template <typename Tag> |
|
struct end_impl |
|
{ |
|
template <typename Sequence> |
|
struct apply |
|
: mpl::if_< |
|
traits::is_segmented<Sequence> |
|
, detail::segmented_end<Sequence> |
|
, blank |
|
>::type |
|
{}; |
|
}; |
|
|
|
template <> |
|
struct end_impl<sequence_facade_tag> |
|
{ |
|
template <typename Sequence> |
|
struct apply : Sequence::template end<Sequence> {}; |
|
}; |
|
|
|
template <> |
|
struct end_impl<boost_tuple_tag>; |
|
|
|
template <> |
|
struct end_impl<boost_array_tag>; |
|
|
|
template <> |
|
struct end_impl<mpl_sequence_tag>; |
|
|
|
template <> |
|
struct end_impl<std_pair_tag>; |
|
} |
|
|
|
namespace result_of |
|
{ |
|
template <typename Sequence> |
|
struct end |
|
: extension::end_impl<typename detail::tag_of<Sequence>::type>:: |
|
template apply<Sequence> |
|
{}; |
|
} |
|
|
|
template <typename Sequence> |
|
inline typename |
|
lazy_enable_if< |
|
traits::is_sequence<Sequence> |
|
, result_of::end<Sequence> |
|
>::type const |
|
end(Sequence& seq) |
|
{ |
|
return result_of::end<Sequence>::call(seq); |
|
} |
|
|
|
template <typename Sequence> |
|
inline typename |
|
lazy_enable_if< |
|
traits::is_sequence<Sequence> |
|
, result_of::end<Sequence const> |
|
>::type const |
|
end(Sequence const& seq) |
|
{ |
|
return result_of::end<Sequence const>::call(seq); |
|
} |
|
}} |
|
|
|
#endif
|
|
|