| |
| #ifndef BOOST_MPL_FILTER_VIEW_HPP_INCLUDED |
| #define BOOST_MPL_FILTER_VIEW_HPP_INCLUDED |
| |
| // Copyright Aleksey Gurtovoy 2000-2004 |
| // |
| // 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) |
| // |
| // See http://www.boost.org/libs/mpl for documentation. |
| |
| // $Id: filter_view.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
| // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
| // $Revision: 49267 $ |
| |
| #include <boost/mpl/begin_end.hpp> |
| #include <boost/mpl/lambda.hpp> |
| #include <boost/mpl/aux_/filter_iter.hpp> |
| #include <boost/mpl/aux_/na_spec.hpp> |
| |
| namespace boost { namespace mpl { |
| |
| template< |
| typename BOOST_MPL_AUX_NA_PARAM(Sequence) |
| , typename BOOST_MPL_AUX_NA_PARAM(Predicate) |
| > |
| struct filter_view |
| { |
| private: |
| typedef typename lambda<Predicate>::type pred_; |
| typedef typename begin<Sequence>::type first_; |
| typedef typename end<Sequence>::type last_; |
| |
| public: |
| struct tag; |
| typedef filter_view type; |
| typedef typename aux::next_filter_iter< first_,last_,pred_ >::type begin; |
| typedef aux::filter_iter< last_,last_,pred_ > end; |
| }; |
| |
| BOOST_MPL_AUX_NA_SPEC(2, filter_view) |
| |
| }} |
| |
| #endif // BOOST_MPL_FILTER_VIEW_HPP_INCLUDED |