| 1 | /*============================================================================= |
|---|---|
| 2 | Copyright (c) 2001-2011 Joel de Guzman |
| 3 | Copyright (c) 2005-2006 Dan Marsden |
| 4 | |
| 5 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 6 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 7 | ==============================================================================*/ |
| 8 | #if !defined(FUSION_CONVERT_IMPL_09222005_1104) |
| 9 | #define FUSION_CONVERT_IMPL_09222005_1104 |
| 10 | |
| 11 | #include <boost/fusion/support/config.hpp> |
| 12 | #include <boost/fusion/container/vector/detail/as_vector.hpp> |
| 13 | #include <boost/fusion/container/vector/vector.hpp> |
| 14 | #include <boost/fusion/sequence/intrinsic/begin.hpp> |
| 15 | #include <boost/fusion/sequence/intrinsic/size.hpp> |
| 16 | |
| 17 | namespace boost { namespace fusion |
| 18 | { |
| 19 | struct vector_tag; |
| 20 | |
| 21 | namespace extension |
| 22 | { |
| 23 | template <typename T> |
| 24 | struct convert_impl; |
| 25 | |
| 26 | template <> |
| 27 | struct convert_impl<vector_tag> |
| 28 | { |
| 29 | template <typename Sequence> |
| 30 | struct apply |
| 31 | { |
| 32 | typedef typename detail::as_vector<result_of::size<Sequence>::value> gen; |
| 33 | typedef typename gen:: |
| 34 | template apply<typename result_of::begin<Sequence>::type>::type |
| 35 | type; |
| 36 | |
| 37 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| 38 | static type call(Sequence& seq) |
| 39 | { |
| 40 | return gen::call(fusion::begin(seq)); |
| 41 | } |
| 42 | }; |
| 43 | }; |
| 44 | } |
| 45 | }} |
| 46 | |
| 47 | #endif |
| 48 |