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_DATA_IMPL_HPP | |
| 9 | #define BOOST_FUSION_CONTAINER_MAP_DETAIL_DEREF_DATA_IMPL_HPP | |
| 10 | ||
| 11 | #include <boost/fusion/support/config.hpp> | |
| 12 | #include <boost/fusion/iterator/value_of.hpp> | |
| 13 | #include <boost/fusion/iterator/deref.hpp> | |
| 14 | #include <boost/fusion/support/detail/access.hpp> | |
| 15 | #include <boost/type_traits/is_const.hpp> | |
| 16 | #include <boost/mpl/if.hpp> | |
| 17 | ||
| 18 | namespace boost { namespace fusion { namespace extension | |
| 19 | { | |
| 20 | template <typename> | |
| 21 | struct deref_data_impl; | |
| 22 | ||
| 23 | template <> | |
| 24 | struct deref_data_impl<map_iterator_tag> | |
| 25 | { | |
| 26 | template <typename It> | |
| 27 | struct apply | |
| 28 | { | |
| 29 | typedef typename result_of::value_of<It>::type::second_type data; | |
| 30 | ||
| 31 | typedef typename | |
| 32 | mpl::if_< | |
| 33 | is_const<typename It::seq_type> | |
| 34 | , typename detail::cref_result<data>::type | |
| 35 | , typename detail::ref_result<data>::type | |
| 36 | >::type | |
| 37 | type; | |
| 38 | ||
| 39 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
| 40 | static type | |
| 41 | call(It const& it) | |
| 42 | { | |
| 43 | return fusion::deref(it).second; | |
| 44 | } | |
| 45 | }; | |
| 46 | }; | |
| 47 | }}} | |
| 48 | ||
| 49 | #endif |