forked from boostorg/fusion
6ab68a29d8
Now available for GCC(libstdc++v3) < 4.5 and MSVC 12.0. It means, there is no ambiguous about calling next/prior/... via ADL.
69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
/*=============================================================================
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Copyright (c) 2009 Hartmut Kaiser
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(BOOST_FUSION_NVIEW_ITERATOR_SEP_23_2009_0948PM)
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#define BOOST_FUSION_NVIEW_ITERATOR_SEP_23_2009_0948PM
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/support/iterator_base.hpp>
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#include <boost/fusion/support/category_of.hpp>
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/fusion/sequence/intrinsic/end.hpp>
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#include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
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#include <boost/fusion/view/nview/detail/size_impl.hpp>
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#include <boost/fusion/view/nview/detail/begin_impl.hpp>
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#include <boost/fusion/view/nview/detail/end_impl.hpp>
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#include <boost/fusion/view/nview/detail/deref_impl.hpp>
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#include <boost/fusion/view/nview/detail/value_of_impl.hpp>
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#include <boost/fusion/view/nview/detail/next_impl.hpp>
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#include <boost/fusion/view/nview/detail/prior_impl.hpp>
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#include <boost/fusion/view/nview/detail/at_impl.hpp>
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#include <boost/fusion/view/nview/detail/value_at_impl.hpp>
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#include <boost/fusion/view/nview/detail/advance_impl.hpp>
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#include <boost/fusion/view/nview/detail/distance_impl.hpp>
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#include <boost/fusion/view/nview/detail/equal_to_impl.hpp>
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namespace boost { namespace fusion
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{
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struct nview_iterator_tag;
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struct random_access_traversal_tag;
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template<typename Sequence, typename Pos>
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struct nview_iterator
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: iterator_base<nview_iterator<Sequence, Pos> >
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{
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typedef nview_iterator_tag fusion_tag;
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typedef random_access_traversal_tag category;
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typedef Sequence sequence_type;
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typedef mpl_iterator<Pos> first_type;
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BOOST_FUSION_GPU_ENABLED explicit nview_iterator(Sequence& in_seq)
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: seq(in_seq) {}
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Sequence& seq;
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private:
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// silence MSVC warning C4512: assignment operator could not be generated
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nview_iterator& operator= (nview_iterator const&);
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};
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}}
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#ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
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namespace std
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{
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template <typename Sequence, typename Pos>
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struct iterator_traits< ::boost::fusion::nview_iterator<Sequence, Pos> >
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{ };
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}
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#endif
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#endif
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