projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /*============================================================================= |
| 2 | Copyright (c) 2009 Christopher Schmidt | |
| 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 | ||
| 8 | #ifndef BOOST_FUSION_CONTAINER_MAP_DETAIL_DEREF_IMPL_HPP | |
| 9 | #define BOOST_FUSION_CONTAINER_MAP_DETAIL_DEREF_IMPL_HPP | |
| 10 | ||
| 11 | #include <boost/fusion/support/config.hpp> | |
| 12 | #include <boost/fusion/sequence/intrinsic/at.hpp> | |
| 13 | #include <boost/type_traits/is_const.hpp> | |
| 14 | ||
| 15 | namespace boost { namespace fusion { namespace extension | |
| 16 | { | |
| 17 | template <typename> | |
| 18 | struct deref_impl; | |
| 19 | ||
| 20 | template <> | |
| 21 | struct deref_impl<map_iterator_tag> | |
| 22 | { | |
| 23 | template <typename It> | |
| 24 | struct apply | |
| 25 | { | |
| 26 | typedef typename | |
| 27 | result_of::at< | |
| 28 | typename mpl::if_< | |
| 29 | is_const<typename It::seq_type> | |
| 30 | , typename It::seq_type::storage_type const | |
| 31 | , typename It::seq_type::storage_type | |
| 32 | >::type | |
| 33 | , typename It::index | |
| 34 | >::type | |
| 35 | type; | |
| 36 | ||
| 37 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
| 38 | static type | |
| 39 | call(It const& it) | |
| 40 | { | |
| 41 | return fusion::at<typename It::index>(it.seq->get_data()); | |
| 42 | } | |
| 43 | }; | |
| 44 | }; | |
| 45 | }}} | |
| 46 | ||
| 47 | #endif |