| 1 | // Copyright Cromwell D. Enage 2019. |
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| 2 | // Distributed under the Boost Software License, Version 1.0. |
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| 3 | // (See 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 | |
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| 6 | #ifndef BOOST_PARAMETER_AUX_PREPROCESSOR_NULLPTR_HPP |
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| 7 | #define BOOST_PARAMETER_AUX_PREPROCESSOR_NULLPTR_HPP |
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| 8 | |
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| 9 | #include <boost/config.hpp> |
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| 10 | |
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| 11 | #if defined(BOOST_NO_CXX11_NULLPTR) |
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| 12 | #define BOOST_PARAMETER_AUX_PP_NULLPTR 0 |
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| 13 | #else |
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| 14 | #define BOOST_PARAMETER_AUX_PP_NULLPTR nullptr |
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| 15 | #endif |
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| 16 | |
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| 17 | #endif // include guard |
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| 18 | |
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| 19 | |
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