sl@0: 
sl@0: #ifndef BOOST_MPL_JOINT_VIEW_HPP_INCLUDED
sl@0: #define BOOST_MPL_JOINT_VIEW_HPP_INCLUDED
sl@0: 
sl@0: // Copyright Aleksey Gurtovoy 2000-2004
sl@0: //
sl@0: // Distributed under the Boost Software License, Version 1.0. 
sl@0: // (See accompanying file LICENSE_1_0.txt or copy at 
sl@0: // http://www.boost.org/LICENSE_1_0.txt)
sl@0: //
sl@0: // See http://www.boost.org/libs/mpl for documentation.
sl@0: 
sl@0: // $Source: /cvsroot/boost/boost/boost/mpl/joint_view.hpp,v $
sl@0: // $Date: 2004/10/02 19:08:57 $
sl@0: // $Revision: 1.8 $
sl@0: 
sl@0: #include <boost/mpl/aux_/joint_iter.hpp>
sl@0: #include <boost/mpl/plus.hpp>
sl@0: #include <boost/mpl/size_fwd.hpp>
sl@0: #include <boost/mpl/begin_end.hpp>
sl@0: #include <boost/mpl/aux_/na_spec.hpp>
sl@0: 
sl@0: namespace boost { namespace mpl {
sl@0: 
sl@0: namespace aux {
sl@0: struct joint_view_tag;
sl@0: }
sl@0: 
sl@0: template<>
sl@0: struct size_impl< aux::joint_view_tag >
sl@0: {
sl@0:     template < typename JointView > struct apply
sl@0:       : plus<
sl@0:             size<typename JointView::sequence1_>
sl@0:           , size<typename JointView::sequence2_>
sl@0:           >
sl@0:     {};
sl@0: };
sl@0: 
sl@0: template<
sl@0:       typename BOOST_MPL_AUX_NA_PARAM(Sequence1_)
sl@0:     , typename BOOST_MPL_AUX_NA_PARAM(Sequence2_)
sl@0:     >
sl@0: struct joint_view
sl@0: {
sl@0:     typedef typename mpl::begin<Sequence1_>::type   first1_;
sl@0:     typedef typename mpl::end<Sequence1_>::type     last1_;
sl@0:     typedef typename mpl::begin<Sequence2_>::type   first2_;
sl@0:     typedef typename mpl::end<Sequence2_>::type     last2_;
sl@0: 
sl@0:     // agurt, 25/may/03: for the 'size_traits' implementation above
sl@0:     typedef Sequence1_ sequence1_;
sl@0:     typedef Sequence2_ sequence2_;
sl@0: 
sl@0:     typedef joint_view type;
sl@0:     typedef aux::joint_view_tag tag;
sl@0:     typedef joint_iter<first1_,last1_,first2_>  begin;
sl@0:     typedef joint_iter<last1_,last1_,last2_>    end;
sl@0: };
sl@0: 
sl@0: BOOST_MPL_AUX_NA_SPEC(2, joint_view)
sl@0: 
sl@0: }}
sl@0: 
sl@0: #endif // BOOST_MPL_JOINT_VIEW_HPP_INCLUDED