| /*============================================================================= | |
| Copyright (c) 2001-2006 Joel de Guzman | |
| Copyright (c) 2005-2006 Dan Marsden | |
| 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_FILTER_02122005_1839) | |
| #define FUSION_FILTER_02122005_1839 | |
| #include <boost/fusion/view/filter_view/filter_view.hpp> | |
| #include <boost/type_traits/is_same.hpp> | |
| namespace boost { namespace fusion | |
| { | |
| namespace result_of | |
| { | |
| template <typename Sequence, typename T> | |
| struct filter | |
| { | |
| typedef filter_view<Sequence, is_same<mpl::_, T> > type; | |
| }; | |
| } | |
| template <typename T, typename Sequence> | |
| inline typename result_of::filter<Sequence const, T>::type | |
| filter(Sequence const& seq) | |
| { | |
| return filter_view<const Sequence, is_same<mpl::_, T> >(seq); | |
| } | |
| }} | |
| #endif | |