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1 | /*============================================================================= |
2 | Copyright (c) 2014 Kohei Takahashi | |
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 | #ifndef BOOST_FUSION_NVIEW_IMPL_17122014_1948 | |
8 | #define BOOST_FUSION_NVIEW_IMPL_17122014_1948 | |
9 | ||
10 | #include <boost/fusion/support/config.hpp> | |
11 | #include <boost/fusion/container/vector/detail/config.hpp> | |
12 | ||
13 | /////////////////////////////////////////////////////////////////////////////// | |
14 | // Without variadics, we will use the PP version | |
15 | /////////////////////////////////////////////////////////////////////////////// | |
16 | #if !defined(BOOST_FUSION_HAS_VARIADIC_VECTOR) | |
17 | # include <boost/fusion/view/nview/detail/cpp03/nview_impl.hpp> | |
18 | #else | |
19 | ||
20 | /////////////////////////////////////////////////////////////////////////////// | |
21 | // C++11 interface | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | #include <boost/fusion/container/vector.hpp> | |
24 | #include <boost/mpl/int.hpp> | |
25 | ||
26 | namespace boost { namespace fusion | |
27 | { | |
28 | namespace result_of | |
29 | { | |
30 | template <typename Sequence, int ...I> | |
31 | struct as_nview | |
32 | { | |
33 | typedef vector<mpl::int_<I>...> index_type; | |
34 | typedef nview<Sequence, index_type> type; | |
35 | }; | |
36 | } | |
37 | ||
38 | template <int ...I, typename Sequence> | |
39 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
40 | inline nview<Sequence, vector<mpl::int_<I>...> > | |
41 | as_nview(Sequence& s) | |
42 | { | |
43 | typedef vector<mpl::int_<I>...> index_type; | |
44 | return nview<Sequence, index_type>(s); | |
45 | } | |
46 | }} | |
47 | ||
48 | #endif | |
49 | #endif | |
50 |