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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(FUSION_POP_FRONT_09172005_1115) | |
8 | #define FUSION_POP_FRONT_09172005_1115 | |
9 | ||
10 | #include <boost/fusion/support/config.hpp> | |
11 | #include <boost/fusion/view/iterator_range/iterator_range.hpp> | |
12 | #include <boost/fusion/sequence/intrinsic/begin.hpp> | |
13 | #include <boost/fusion/sequence/intrinsic/end.hpp> | |
14 | #include <boost/fusion/iterator/next.hpp> | |
15 | ||
16 | namespace boost { namespace fusion | |
17 | { | |
18 | namespace result_of | |
19 | { | |
20 | template <typename Sequence> | |
21 | struct pop_front | |
22 | { | |
23 | typedef | |
24 | iterator_range< | |
25 | typename next< | |
26 | typename begin<Sequence>::type | |
27 | >::type | |
28 | , typename end<Sequence>::type | |
29 | > | |
30 | type; | |
31 | }; | |
32 | } | |
33 | ||
34 | template <typename Sequence> | |
35 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
36 | inline typename result_of::pop_front<Sequence const>::type | |
37 | pop_front(Sequence const& seq) | |
38 | { | |
39 | typedef typename result_of::pop_front<Sequence const>::type result; | |
40 | return result(fusion::next(fusion::begin(seq)), fusion::end(seq)); | |
41 | } | |
42 | }} | |
43 | ||
44 | #endif | |
45 |