| /*============================================================================= | |
| Copyright (c) 2001-2006 Joel de Guzman | |
| 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(FUSION_NVIEW_SIZE_IMPL_OCT_06_2009_0525PM) | |
| #define FUSION_NVIEW_SIZE_IMPL_OCT_06_2009_0525PM | |
| #include <boost/fusion/iterator/distance.hpp> | |
| #include <boost/fusion/sequence/intrinsic/begin.hpp> | |
| #include <boost/fusion/sequence/intrinsic/end.hpp> | |
| namespace boost { namespace fusion | |
| { | |
| struct nview_tag; | |
| namespace extension | |
| { | |
| template <typename Tag> | |
| struct size_impl; | |
| template <> | |
| struct size_impl<nview_tag> | |
| { | |
| template <typename Sequence> | |
| struct apply | |
| : result_of::distance< | |
| typename result_of::begin<Sequence>::type | |
| , typename result_of::end<Sequence>::type> | |
| {}; | |
| }; | |
| } | |
| }} | |
| #endif | |