| /*============================================================================= |
| 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_SIZE_IMPL_09232005_1058) |
| #define FUSION_SIZE_IMPL_09232005_1058 |
| |
| #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 filter_view_tag; |
| |
| namespace extension |
| { |
| template <typename Tag> |
| struct size_impl; |
| |
| template <> |
| struct size_impl<filter_view_tag> |
| { |
| template <typename Sequence> |
| struct apply |
| : result_of::distance< |
| typename result_of::begin<Sequence>::type |
| , typename result_of::end<Sequence>::type> |
| {}; |
| }; |
| } |
| }} |
| |
| #endif |
| |
| |