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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(BOOST_FUSION_BEGIN_IMPL_09272006_0719) | |
8 | #define BOOST_FUSION_BEGIN_IMPL_09272006_0719 | |
9 | ||
10 | #include <boost/fusion/support/config.hpp> | |
11 | #include <boost/fusion/adapted/boost_tuple/boost_tuple_iterator.hpp> | |
12 | ||
13 | namespace boost { namespace fusion | |
14 | { | |
15 | struct boost_tuple_tag; | |
16 | ||
17 | namespace extension | |
18 | { | |
19 | template<typename T> | |
20 | struct begin_impl; | |
21 | ||
22 | template <> | |
23 | struct begin_impl<boost_tuple_tag> | |
24 | { | |
25 | template <typename Sequence> | |
26 | struct apply | |
27 | { | |
28 | typedef boost_tuple_iterator<Sequence> type; | |
29 | ||
30 | BOOST_FUSION_GPU_ENABLED | |
31 | static type | |
32 | call(Sequence& v) | |
33 | { | |
34 | return type(v); | |
35 | } | |
36 | }; | |
37 | }; | |
38 | } | |
39 | }} | |
40 | ||
41 | #endif |