#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