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