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1 | // Copyright David Abrahams 2002.
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2 | // Distributed under the Boost Software License, Version 1.0. (See
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3 | // accompanying file LICENSE_1_0.txt or copy at
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4 | // http://www.boost.org/LICENSE_1_0.txt)
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5 | #ifndef VOID_RETURN_DWA200274_HPP
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6 | # define VOID_RETURN_DWA200274_HPP
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7 |
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8 | # include <boost/config.hpp>
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9 |
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10 | namespace boost { namespace python { namespace detail {
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11 |
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12 | struct void_return
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13 | {
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14 | void_return() {}
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15 | private:
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16 | void operator=(void_return const&);
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17 | };
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18 |
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19 | template <class T>
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20 | struct returnable
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21 | {
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22 | typedef T type;
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23 | };
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24 |
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25 | # ifdef BOOST_NO_VOID_RETURNS
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26 | template <>
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27 | struct returnable<void>
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28 | {
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29 | typedef void_return type;
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30 | };
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31 |
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32 | # ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
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33 | template <> struct returnable<const void> : returnable<void> {};
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34 | template <> struct returnable<volatile void> : returnable<void> {};
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35 | template <> struct returnable<const volatile void> : returnable<void> {};
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36 | # endif
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37 |
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38 | # endif // BOOST_NO_VOID_RETURNS
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39 |
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40 | }}} // namespace boost::python::detail
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41 |
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42 | #endif // VOID_RETURN_DWA200274_HPP
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