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1 # /* **************************************************************************
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2 # * *
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3 # * (C) Copyright Edward Diener 2011. *
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4 # * (C) Copyright Paul Mensonides 2011. *
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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 # ************************************************************************** */
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10 #
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11 # /* See http://www.boost.org for most recent version. */
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12 #
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13 # ifndef BOOST_PREPROCESSOR_TUPLE_TO_ARRAY_HPP
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14 # define BOOST_PREPROCESSOR_TUPLE_TO_ARRAY_HPP
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15 #
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16 # include <boost/preprocessor/cat.hpp>
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17 # include <boost/preprocessor/config/config.hpp>
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18 # include <boost/preprocessor/facilities/overload.hpp>
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19 # include <boost/preprocessor/tuple/size.hpp>
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20 # include <boost/preprocessor/variadic/size.hpp>
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21 #
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22 # /* BOOST_PP_TUPLE_TO_ARRAY */
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23 #
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24 # if BOOST_PP_VARIADICS
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25 # if BOOST_PP_VARIADICS_MSVC
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26 # define BOOST_PP_TUPLE_TO_ARRAY(...) BOOST_PP_TUPLE_TO_ARRAY_I(BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_TO_ARRAY_, __VA_ARGS__), (__VA_ARGS__))
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27 # define BOOST_PP_TUPLE_TO_ARRAY_I(m, args) BOOST_PP_TUPLE_TO_ARRAY_II(m, args)
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28 # define BOOST_PP_TUPLE_TO_ARRAY_II(m, args) BOOST_PP_CAT(m ## args,)
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29 # define BOOST_PP_TUPLE_TO_ARRAY_1(tuple) (BOOST_PP_TUPLE_SIZE(tuple), tuple)
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30 # else
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31 # define BOOST_PP_TUPLE_TO_ARRAY(...) BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_TO_ARRAY_, __VA_ARGS__)(__VA_ARGS__)
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32 # define BOOST_PP_TUPLE_TO_ARRAY_1(tuple) (BOOST_PP_VARIADIC_SIZE tuple, tuple)
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33 # endif
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34 # define BOOST_PP_TUPLE_TO_ARRAY_2(size, tuple) (size, tuple)
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35 # else
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36 # define BOOST_PP_TUPLE_TO_ARRAY(size, tuple) (size, tuple)
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37 # endif
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38 #
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39 # endif
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