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1 /*=============================================================================
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2 Copyright (c) 2001-2011 Joel de Guzman
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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 #if !defined(FUSION_REPLACE_08182005_0830)
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8 #define FUSION_REPLACE_08182005_0830
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9
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10 #include <boost/fusion/support/config.hpp>
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11 #include <boost/fusion/view/transform_view/transform_view.hpp>
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12 #include <boost/fusion/algorithm/transformation/detail/replace.hpp>
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13 #include <boost/fusion/support/is_sequence.hpp>
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14 #include <boost/utility/enable_if.hpp>
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15
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16 namespace boost { namespace fusion
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17 {
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18 namespace result_of
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19 {
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20 template <typename Sequence, typename T>
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21 struct replace
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22 {
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23 typedef transform_view<Sequence, detail::replacer<T> > type;
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24 };
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25 }
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26
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27 template <typename Sequence, typename T>
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28 BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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29 inline typename
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30 enable_if<
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31 traits::is_sequence<Sequence>
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32 , typename result_of::replace<Sequence const, T>::type
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33 >::type
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34 replace(Sequence const& seq, T const& old_value, T const& new_value)
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35 {
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36 typedef typename result_of::replace<Sequence const, T>::type result;
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37 detail::replacer<T> f(old_value, new_value);
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38 return result(seq, f);
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39 }
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40 }}
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41
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42 #endif
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43
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