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- #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.
- // $Id$
- // $Date$
- // $Revision$
- #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
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