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49 lines
1.9 KiB
C++
49 lines
1.9 KiB
C++
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# /* **************************************************************************
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# * *
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# * (C) Copyright Edward Diener 2014.
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# * Distributed under the Boost Software License, Version 1.0. (See
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# * accompanying file LICENSE_1_0.txt or copy at
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# * http://www.boost.org/LICENSE_1_0.txt)
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# * *
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# ************************************************************************** */
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#
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# /* See http://www.boost.org for most recent version. */
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#
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#ifndef BOOST_PREPROCESSOR_DETAIL_IS_BEGIN_PARENS_HPP
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#define BOOST_PREPROCESSOR_DETAIL_IS_BEGIN_PARENS_HPP
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#if BOOST_PP_VARIADICS_MSVC
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#include <boost/preprocessor/facilities/empty.hpp>
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#define BOOST_PP_DETAIL_VD_IBP_CAT(a, b) BOOST_PP_DETAIL_VD_IBP_CAT_I(a, b)
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#define BOOST_PP_DETAIL_VD_IBP_CAT_I(a, b) BOOST_PP_DETAIL_VD_IBP_CAT_II(a ## b)
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#define BOOST_PP_DETAIL_VD_IBP_CAT_II(res) res
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#define BOOST_PP_DETAIL_IBP_SPLIT(i, ...) \
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BOOST_PP_DETAIL_VD_IBP_CAT(BOOST_PP_DETAIL_IBP_PRIMITIVE_CAT(BOOST_PP_DETAIL_IBP_SPLIT_,i)(__VA_ARGS__),BOOST_PP_EMPTY()) \
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/**/
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#define BOOST_PP_DETAIL_IBP_IS_VARIADIC_C(...) 1 1
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#else
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#define BOOST_PP_DETAIL_IBP_SPLIT(i, ...) \
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BOOST_PP_DETAIL_IBP_PRIMITIVE_CAT(BOOST_PP_DETAIL_IBP_SPLIT_,i)(__VA_ARGS__) \
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/**/
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#define BOOST_PP_DETAIL_IBP_IS_VARIADIC_C(...) 1
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#endif /* BOOST_PP_VARIADICS_MSVC */
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#define BOOST_PP_DETAIL_IBP_SPLIT_0(a, ...) a
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#define BOOST_PP_DETAIL_IBP_SPLIT_1(a, ...) __VA_ARGS__
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#define BOOST_PP_DETAIL_IBP_CAT(a, ...) BOOST_PP_DETAIL_IBP_PRIMITIVE_CAT(a,__VA_ARGS__)
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#define BOOST_PP_DETAIL_IBP_PRIMITIVE_CAT(a, ...) a ## __VA_ARGS__
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#define BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_1 1,
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#define BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_BOOST_PP_DETAIL_IBP_IS_VARIADIC_C 0,
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#endif /* BOOST_PREPROCESSOR_DETAIL_IS_BEGIN_PARENS_HPP */
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