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70 lines
2.7 KiB
70 lines
2.7 KiB
3 years ago
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/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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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(FUSION_JOINT_VIEW_ITERATOR_07162005_0140)
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#define FUSION_JOINT_VIEW_ITERATOR_07162005_0140
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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/iterator/equal_to.hpp>
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#include <boost/fusion/iterator/mpl/convert_iterator.hpp>
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#include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
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#include <boost/fusion/view/joint_view/detail/deref_impl.hpp>
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#include <boost/fusion/view/joint_view/detail/next_impl.hpp>
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#include <boost/fusion/view/joint_view/detail/value_of_impl.hpp>
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#include <boost/fusion/view/joint_view/detail/deref_data_impl.hpp>
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#include <boost/fusion/view/joint_view/detail/value_of_data_impl.hpp>
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#include <boost/fusion/view/joint_view/detail/key_of_impl.hpp>
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#include <boost/static_assert.hpp>
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namespace boost { namespace fusion
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{
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struct joint_view_iterator_tag;
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struct forward_traversal_tag;
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template <typename Category, typename First, typename Last, typename Concat>
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struct joint_view_iterator
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: iterator_base<joint_view_iterator<Category, First, Last, Concat> >
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{
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typedef convert_iterator<First> first_converter;
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typedef convert_iterator<Last> last_converter;
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typedef convert_iterator<Concat> concat_converter;
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typedef typename first_converter::type first_type;
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typedef typename last_converter::type last_type;
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typedef typename concat_converter::type concat_type;
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typedef joint_view_iterator_tag fusion_tag;
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typedef Category category;
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BOOST_STATIC_ASSERT((!result_of::equal_to<first_type, last_type>::value));
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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joint_view_iterator(First const& in_first, Concat const& in_concat)
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: first(first_converter::call(in_first))
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, concat(concat_converter::call(in_concat))
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{}
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first_type first;
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concat_type concat;
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// silence MSVC warning C4512: assignment operator could not be generated
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BOOST_DELETED_FUNCTION(joint_view_iterator& operator= (joint_view_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 Category, typename First, typename Last, typename Concat>
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struct iterator_traits< ::boost::fusion::joint_view_iterator<Category, First, Last, Concat> >
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{ };
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}
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#endif
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#endif
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