| /*============================================================================= |
| Copyright (c) 2009 Hartmut Kaiser |
| |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| ==============================================================================*/ |
| |
| #if !defined(BOOST_FUSION_NVIEW_BEGIN_IMPL_SEP_23_2009_1036PM) |
| #define BOOST_FUSION_NVIEW_BEGIN_IMPL_SEP_23_2009_1036PM |
| |
| #include <boost/mpl/begin.hpp> |
| #include <boost/fusion/sequence/intrinsic/begin.hpp> |
| |
| namespace boost { namespace fusion |
| { |
| struct nview_tag; |
| |
| template <typename Sequence, typename Pos> |
| struct nview_iterator; |
| |
| namespace extension |
| { |
| template<typename Tag> |
| struct begin_impl; |
| |
| template<> |
| struct begin_impl<nview_tag> |
| { |
| template<typename Sequence> |
| struct apply |
| { |
| typedef typename Sequence::index_type index_type; |
| |
| typedef nview_iterator<Sequence, |
| typename mpl::begin<index_type>::type> type; |
| |
| static type call(Sequence& s) |
| { |
| return type(s); |
| } |
| }; |
| }; |
| } |
| |
| }} |
| |
| #endif |
| |