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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_FILTER_IF_07172005_0818) | |
8 | #define FUSION_FILTER_IF_07172005_0818 | |
9 | ||
10 | #include <boost/fusion/support/config.hpp> | |
11 | #include <boost/fusion/view/filter_view/filter_view.hpp> | |
12 | ||
13 | namespace boost { namespace fusion | |
14 | { | |
15 | namespace result_of | |
16 | { | |
17 | template <typename Sequence, typename Pred> | |
18 | struct filter_if | |
19 | { | |
20 | typedef filter_view<Sequence, Pred> type; | |
21 | }; | |
22 | } | |
23 | ||
24 | template <typename Pred, typename Sequence> | |
25 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
26 | inline typename result_of::filter_if<Sequence const, Pred>::type | |
27 | filter_if(Sequence const& seq) | |
28 | { | |
29 | return filter_view<Sequence const, Pred>(seq); | |
30 | } | |
31 | }} | |
32 | ||
33 | #endif | |
34 |