2 #ifndef BOOST_MPL_JOINT_VIEW_HPP_INCLUDED
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3 #define BOOST_MPL_JOINT_VIEW_HPP_INCLUDED
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5 // Copyright Aleksey Gurtovoy 2000-2004
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7 // Distributed under the Boost Software License, Version 1.0.
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8 // (See accompanying file LICENSE_1_0.txt or copy at
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9 // http://www.boost.org/LICENSE_1_0.txt)
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11 // See http://www.boost.org/libs/mpl for documentation.
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13 // $Id: joint_view.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
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14 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
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15 // $Revision: 49267 $
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17 #include <boost/mpl/aux_/joint_iter.hpp>
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18 #include <boost/mpl/plus.hpp>
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19 #include <boost/mpl/size_fwd.hpp>
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20 #include <boost/mpl/begin_end.hpp>
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21 #include <boost/mpl/aux_/na_spec.hpp>
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23 namespace boost { namespace mpl {
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26 struct joint_view_tag;
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30 struct size_impl< aux::joint_view_tag >
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32 template < typename JointView > struct apply
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34 size<typename JointView::sequence1_>
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35 , size<typename JointView::sequence2_>
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41 typename BOOST_MPL_AUX_NA_PARAM(Sequence1_)
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42 , typename BOOST_MPL_AUX_NA_PARAM(Sequence2_)
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46 typedef typename mpl::begin<Sequence1_>::type first1_;
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47 typedef typename mpl::end<Sequence1_>::type last1_;
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48 typedef typename mpl::begin<Sequence2_>::type first2_;
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49 typedef typename mpl::end<Sequence2_>::type last2_;
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51 // agurt, 25/may/03: for the 'size_traits' implementation above
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52 typedef Sequence1_ sequence1_;
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53 typedef Sequence2_ sequence2_;
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55 typedef joint_view type;
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56 typedef aux::joint_view_tag tag;
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57 typedef joint_iter<first1_,last1_,first2_> begin;
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58 typedef joint_iter<last1_,last1_,last2_> end;
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61 BOOST_MPL_AUX_NA_SPEC(2, joint_view)
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65 #endif // BOOST_MPL_JOINT_VIEW_HPP_INCLUDED
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