forked from boostorg/mpl
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
//-----------------------------------------------------------------------------
|
|
// boost mpl/joint_view.hpp header file
|
|
// See http://www.boost.org for updates, documentation, and revision history.
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Copyright (c) 2000-02
|
|
// Aleksey Gurtovoy
|
|
//
|
|
// Permission to use, copy, modify, distribute and sell this software
|
|
// and its documentation for any purpose is hereby granted without fee,
|
|
// provided that the above copyright notice appears in all copies and
|
|
// that both the copyright notice and this permission notice appear in
|
|
// supporting documentation. No representations are made about the
|
|
// suitability of this software for any purpose. It is provided "as is"
|
|
// without express or implied warranty.
|
|
|
|
#ifndef BOOST_MPL_JOINT_VIEW_HPP_INCLUDED
|
|
#define BOOST_MPL_JOINT_VIEW_HPP_INCLUDED
|
|
|
|
#include "boost/mpl/aux_/joint_iter.hpp"
|
|
#include "boost/mpl/begin_end.hpp"
|
|
#include "boost/mpl/aux_/void_spec.hpp"
|
|
#include "boost/mpl/plus.hpp"
|
|
#include "boost/mpl/size_fwd.hpp"
|
|
|
|
#include <boost/detail/workaround.hpp>
|
|
|
|
namespace boost {
|
|
namespace mpl {
|
|
|
|
namespace aux
|
|
{
|
|
struct joint_view_tag;
|
|
}
|
|
|
|
template <>
|
|
struct size_traits< aux::joint_view_tag >
|
|
{
|
|
template < typename JointView > struct algorithm
|
|
: plus<
|
|
size<typename JointView::sequence1>
|
|
, size<typename JointView::sequence2>
|
|
>
|
|
{};
|
|
};
|
|
|
|
template<
|
|
typename BOOST_MPL_AUX_VOID_SPEC_PARAM(Sequence1_)
|
|
, typename BOOST_MPL_AUX_VOID_SPEC_PARAM(Sequence2_)
|
|
>
|
|
struct joint_view
|
|
{
|
|
#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1200)
|
|
private:
|
|
friend struct size_traits< aux::joint_view_tag >;
|
|
# if BOOST_WORKAROUND(BOOST_MSVC, >= 1301)
|
|
template <typename JointView>
|
|
friend struct size_traits< aux::joint_view_tag >::algorithm;
|
|
# endif
|
|
#endif
|
|
typedef Sequence1_ sequence1;
|
|
typedef Sequence2_ sequence2;
|
|
|
|
typedef typename begin<Sequence1_>::type first1_;
|
|
typedef typename end<Sequence1_>::type last1_;
|
|
typedef typename begin<Sequence2_>::type first2_;
|
|
typedef typename end<Sequence2_>::type last2_;
|
|
|
|
public:
|
|
typedef aux::joint_view_tag tag;
|
|
typedef typename aux::joint_iter<first1_,last1_,first2_> begin;
|
|
typedef typename aux::joint_iter<last1_,last1_,last2_> end;
|
|
};
|
|
|
|
BOOST_MPL_AUX_VOID_SPEC(2, joint_view)
|
|
|
|
} // namespace mpl
|
|
} // namespace boost
|
|
|
|
#endif // BOOST_MPL_JOINT_VIEW_HPP_INCLUDED
|