projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /*============================================================================= |
| 2 | Copyright (c) 2001-2011 Joel de Guzman | |
| 3 | ||
| 4 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 6 | ==============================================================================*/ | |
| 7 | #if !defined(FUSION_DEREF_IMPL_07202005_0851) | |
| 8 | #define FUSION_DEREF_IMPL_07202005_0851 | |
| 9 | ||
| 10 | #include <boost/fusion/support/config.hpp> | |
| 11 | #include <boost/fusion/iterator/deref.hpp> | |
| 12 | #include <boost/fusion/iterator/prior.hpp> | |
| 13 | ||
| 14 | namespace boost { namespace fusion | |
| 15 | { | |
| 16 | struct reverse_view_iterator_tag; | |
| 17 | ||
| 18 | namespace extension | |
| 19 | { | |
| 20 | template <typename Tag> | |
| 21 | struct deref_impl; | |
| 22 | ||
| 23 | template <> | |
| 24 | struct deref_impl<reverse_view_iterator_tag> | |
| 25 | { | |
| 26 | template <typename Iterator> | |
| 27 | struct apply | |
| 28 | { | |
| 29 | typedef typename | |
| 30 | result_of::deref< | |
| 31 | typename result_of::prior< | |
| 32 | typename Iterator::first_type | |
| 33 | >::type | |
| 34 | >::type | |
| 35 | type; | |
| 36 | ||
| 37 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
| 38 | static type | |
| 39 | call(Iterator const& i) | |
| 40 | { | |
| 41 | return *fusion::prior(i.first); | |
| 42 | } | |
| 43 | }; | |
| 44 | }; | |
| 45 | } | |
| 46 | }} | |
| 47 | ||
| 48 | #endif | |
| 49 | ||
| 50 |