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1 // Boost.TypeErasure library
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2 //
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3 // Copyright 2011 Steven Watanabe
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4 //
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5 // Distributed under the Boost Software License Version 1.0. (See
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6 // 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 // $Id: normalize_deduced.hpp 78443 2012-05-13 00:17:07Z steven_watanabe $
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10
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11 #if !defined(BOOST_PP_IS_ITERATING)
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12
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13 #ifndef BOOST_TYPE_ERASURE_DETAIL_NORMALIZE_DEDUCED_HPP_INCLUDED
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14 #define BOOST_TYPE_ERASURE_DETAIL_NORMALIZE_DEDUCED_HPP_INCLUDED
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15
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16 #include <boost/preprocessor/iteration/iterate.hpp>
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17 #include <boost/preprocessor/repetition/enum.hpp>
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18 #include <boost/preprocessor/repetition/enum_params.hpp>
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19
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20 namespace boost {
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21 namespace type_erasure {
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22 namespace detail {
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23
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24 template<class M, class T>
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25 struct normalize_deduced;
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26 template<class M, class T>
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27 struct normalize_placeholder;
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28
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29 #define BOOST_PP_FILENAME_1 <boost/type_erasure/detail/normalize_deduced.hpp>
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30 #define BOOST_PP_ITERATION_LIMITS (1, BOOST_TYPE_ERASURE_MAX_ARITY)
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31 #include BOOST_PP_ITERATE()
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32
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33 }
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34 }
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35 }
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36
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37 #endif
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38
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39 #else
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40
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41 #define N BOOST_PP_ITERATION()
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42
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43 #define BOOST_TYPE_ERASURE_NORMALIZE_PLACEHOLDER(z, n, data) \
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44 typename ::boost::type_erasure::detail::normalize_placeholder< \
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45 M, \
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46 BOOST_PP_CAT(U, n) \
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47 >::type
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48
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49 template<class M, template<BOOST_PP_ENUM_PARAMS(N, class T)> class T, BOOST_PP_ENUM_PARAMS(N, class U)>
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50 struct normalize_deduced<M, T<BOOST_PP_ENUM_PARAMS(N, U)> >
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51 {
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52 typedef typename ::boost::type_erasure::deduced<
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53 T<BOOST_PP_ENUM(N, BOOST_TYPE_ERASURE_NORMALIZE_PLACEHOLDER, ~)>
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54 >::type type;
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55 };
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56
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57 #undef BOOST_TYPE_ERASURE_NORMALIZE_PLACEHOLDER
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58
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59 #undef N
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60
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61 #endif
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