forked from boostorg/mpl
72 lines
2.0 KiB
C++
72 lines
2.0 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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// + file: boost/mpl/joint_view.hpp
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// + last modified: 25/may/03
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// Copyright (c) 2000-03
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// Aleksey Gurtovoy
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//
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// Permission to use, copy, modify, distribute and sell this software
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// and its documentation for any purpose is hereby granted without fee,
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// provided that the above copyright notice appears in all copies and
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// that both the copyright notice and this permission notice appear in
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// supporting documentation. No representations are made about the
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// suitability of this software for any purpose. It is provided "as is"
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// without express or implied warranty.
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//
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// See http://www.boost.org/libs/mpl for documentation.
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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_/void_spec.hpp"
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namespace boost {
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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_traits< aux::joint_view_tag >
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{
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template < typename JointView > struct algorithm
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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_VOID_SPEC_PARAM(Sequence1_)
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, typename BOOST_MPL_AUX_VOID_SPEC_PARAM(Sequence2_)
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>
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struct joint_view
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{
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typedef typename begin<Sequence1_>::type first1_;
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typedef typename end<Sequence1_>::type last1_;
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typedef typename begin<Sequence2_>::type first2_;
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typedef typename end<Sequence2_>::type last2_;
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public:
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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 aux::joint_view_tag tag;
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typedef typename aux::joint_iter<first1_,last1_,first2_> begin;
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typedef typename aux::joint_iter<last1_,last1_,last2_> end;
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};
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BOOST_MPL_AUX_VOID_SPEC(2, joint_view)
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} // namespace mpl
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} // namespace boost
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#endif // BOOST_MPL_JOINT_VIEW_HPP_INCLUDED
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