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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
26namespace 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