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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_VIEW_JOINT_VIEW_DETAIL_DEREF_DATA_IMPL_HPP | |
9 | #define BOOST_FUSION_VIEW_JOINT_VIEW_DETAIL_DEREF_DATA_IMPL_HPP | |
10 | ||
11 | #include <boost/fusion/support/config.hpp> | |
12 | #include <boost/fusion/iterator/deref_data.hpp> | |
13 | ||
14 | namespace boost { namespace fusion { namespace extension | |
15 | { | |
16 | template <typename> | |
17 | struct deref_data_impl; | |
18 | ||
19 | template <> | |
20 | struct deref_data_impl<joint_view_iterator_tag> | |
21 | { | |
22 | template <typename It> | |
23 | struct apply | |
24 | { | |
25 | typedef typename | |
26 | result_of::deref_data<typename It::first_type>::type | |
27 | type; | |
28 | ||
29 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
30 | static type | |
31 | call(It const& it) | |
32 | { | |
33 | return fusion::deref_data(it.first); | |
34 | } | |
35 | }; | |
36 | }; | |
37 | }}} | |
38 | ||
39 | #endif |