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1 /*=============================================================================
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2 Copyright (c) 2007 Tobias Schwinger
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3
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4 Distributed under the Boost Software License, Version 1.0. (See accompanying
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5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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6 ==============================================================================*/
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7
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8 #ifndef BOOST_FUSION_REPETITIVE_VIEW_REPETITIVE_VIEW_HPP_INCLUDED
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9 #define BOOST_FUSION_REPETITIVE_VIEW_REPETITIVE_VIEW_HPP_INCLUDED
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10
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11 #include <boost/fusion/support/config.hpp>
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12 #include <boost/type_traits/remove_reference.hpp>
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13 #include <boost/mpl/if.hpp>
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14
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15 #include <boost/fusion/support/is_view.hpp>
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16 #include <boost/fusion/support/category_of.hpp>
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17
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18 #include <boost/fusion/view/repetitive_view/detail/begin_impl.hpp>
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19 #include <boost/fusion/view/repetitive_view/detail/end_impl.hpp>
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20
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21
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22 namespace boost { namespace fusion
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23 {
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24 struct repetitive_view_tag;
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25 struct fusion_sequence_tag;
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26
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27 template<typename Sequence> struct repetitive_view
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28 : sequence_base< repetitive_view<Sequence> >
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29 {
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30 typedef repetitive_view_tag fusion_tag;
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31 typedef fusion_sequence_tag tag; // this gets picked up by MPL
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32 typedef mpl::true_ is_view;
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33
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34 typedef single_pass_traversal_tag category;
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35
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36 typedef typename boost::remove_reference<Sequence>::type sequence_type;
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37 typedef typename
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38 mpl::if_<traits::is_view<Sequence>, Sequence, sequence_type&>::type
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39 stored_seq_type;
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40
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41 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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42 repetitive_view(Sequence& in_seq)
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43 : seq(in_seq) {}
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44
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45 stored_seq_type seq;
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46
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47 private:
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48 // silence MSVC warning C4512: assignment operator could not be generated
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49 repetitive_view& operator= (repetitive_view const&);
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50 };
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51
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52 }}
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53
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54 #endif
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