| 1 | # /* ************************************************************************** |
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| 2 | # * * |
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| 3 | # * (C) Copyright Edward Diener 2014. |
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| 4 | # * Distributed under the Boost Software License, Version 1.0. (See |
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| 5 | # * accompanying file LICENSE_1_0.txt or copy at |
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| 6 | # * http://www.boost.org/LICENSE_1_0.txt) |
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| 7 | # * * |
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| 8 | # ************************************************************************** */ |
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| 9 | # |
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| 10 | # /* See http://www.boost.org for most recent version. */ |
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| 11 | # |
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| 12 | # ifndef BOOST_PREPROCESSOR_IS_BEGIN_PARENS_HPP |
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| 13 | # define BOOST_PREPROCESSOR_IS_BEGIN_PARENS_HPP |
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| 14 | |
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| 15 | # include <boost/preprocessor/config/config.hpp> |
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| 16 | |
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| 17 | #if BOOST_PP_VARIADICS |
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| 18 | |
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| 19 | #include <boost/preprocessor/punctuation/detail/is_begin_parens.hpp> |
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| 20 | |
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| 21 | #if BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400 |
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| 22 | |
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| 23 | #define BOOST_PP_IS_BEGIN_PARENS(param) \ |
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| 24 | BOOST_PP_DETAIL_IBP_SPLIT \ |
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| 25 | ( \ |
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| 26 | 0, \ |
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| 27 | BOOST_PP_DETAIL_IBP_CAT \ |
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| 28 | ( \ |
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| 29 | BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_, \ |
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| 30 | BOOST_PP_DETAIL_IBP_IS_VARIADIC_C param \ |
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| 31 | ) \ |
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| 32 | ) \ |
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| 33 | /**/ |
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| 34 | |
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| 35 | #else |
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| 36 | |
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| 37 | #define BOOST_PP_IS_BEGIN_PARENS(...) \ |
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| 38 | BOOST_PP_DETAIL_IBP_SPLIT \ |
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| 39 | ( \ |
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| 40 | 0, \ |
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| 41 | BOOST_PP_DETAIL_IBP_CAT \ |
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| 42 | ( \ |
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| 43 | BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_, \ |
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| 44 | BOOST_PP_DETAIL_IBP_IS_VARIADIC_C __VA_ARGS__ \ |
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| 45 | ) \ |
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| 46 | ) \ |
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| 47 | /**/ |
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| 48 | |
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| 49 | #endif /* BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400 */ |
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| 50 | #endif /* BOOST_PP_VARIADICS */ |
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| 51 | #endif /* BOOST_PREPROCESSOR_IS_BEGIN_PARENS_HPP */ |
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| 52 | |
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