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1 | /*=============================================================================
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2 | Copyright (c) 2003 Joel de Guzman
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3 | Copyright (c) 2004 Peder Holt
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4 |
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5 | Use, modification and distribution is subject to the Boost Software
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6 | License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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7 | http://www.boost.org/LICENSE_1_0.txt)
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8 | ==============================================================================*/
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9 | #if !defined(FUSION_ITERATOR_DETAIL_ITERATOR_BASE_HPP)
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10 | #define FUSION_ITERATOR_DETAIL_ITERATOR_BASE_HPP
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11 |
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12 | namespace boost { namespace fusion
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13 | {
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14 | struct iterator_root {};
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15 |
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16 | template <typename Iterator>
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17 | struct iterator_base : iterator_root
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18 | {
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19 | Iterator const&
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20 | cast() const;
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21 |
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22 | Iterator&
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23 | cast();
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24 | };
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25 |
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26 | template <typename Iterator>
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27 | Iterator const&
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28 | iterator_base<Iterator>::cast() const
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29 | {
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30 | return static_cast<Iterator const&>(*this);
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31 | }
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32 |
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33 | template <typename Iterator>
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34 | Iterator&
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35 | iterator_base<Iterator>::cast()
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36 | {
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37 | return static_cast<Iterator&>(*this);
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38 | }
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39 | }}
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40 |
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41 | #endif
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