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[857] | 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_ADAPT_DEREF_TRAITS_HPP)
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| 10 | #define FUSION_ADAPT_DEREF_TRAITS_HPP
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| 11 |
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| 12 | #include <boost/spirit/fusion/iterator/deref.hpp>
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| 13 |
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| 14 | namespace boost { namespace fusion { namespace detail
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| 15 | {
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| 16 | namespace adapt_deref_detail {
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| 17 | template<typename Iterator>
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| 18 | struct deref_traits_impl
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| 19 | {
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| 20 | typedef typename
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| 21 | meta::deref<typename Iterator::first_type>::type
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| 22 | type;
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| 23 |
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| 24 | static type
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| 25 | call(Iterator const& i);
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| 26 | };
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| 27 |
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| 28 | template<typename Iterator>
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| 29 | typename deref_traits_impl<Iterator>::type
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| 30 | deref_traits_impl<Iterator>::call(Iterator const& i)
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| 31 | {
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| 32 | return *i.first;
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| 33 | }
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| 34 | }
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| 35 | struct adapt_deref_traits {
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| 36 | template<typename Iterator>
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| 37 | struct apply : adapt_deref_detail::deref_traits_impl<Iterator>
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| 38 | {};
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| 39 | };
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| 40 |
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| 41 | }}}
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| 42 |
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| 43 | #endif
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| 44 |
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| 45 |
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