is_begin_parens.hpp

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# /* **************************************************************************
#  *                                                                          *
#  *     (C) Copyright Edward Diener 2014.
#  *     Distributed under the Boost Software License, Version 1.0. (See
#  *     accompanying file LICENSE_1_0.txt or copy at
#  *     http://www.boost.org/LICENSE_1_0.txt)
#  *                                                                          *
#  ************************************************************************** */
#
# /* See http://www.boost.org for most recent version. */
#
#ifndef MSGPACK_PREPROCESSOR_DETAIL_IS_BEGIN_PARENS_HPP
#define MSGPACK_PREPROCESSOR_DETAIL_IS_BEGIN_PARENS_HPP
 
#if MSGPACK_PP_VARIADICS_MSVC
 
#include <msgpack/preprocessor/facilities/empty.hpp>
 
#define MSGPACK_PP_DETAIL_VD_IBP_CAT(a, b) MSGPACK_PP_DETAIL_VD_IBP_CAT_I(a, b)
#define MSGPACK_PP_DETAIL_VD_IBP_CAT_I(a, b) MSGPACK_PP_DETAIL_VD_IBP_CAT_II(a ## b)
#define MSGPACK_PP_DETAIL_VD_IBP_CAT_II(res) res
 
#define MSGPACK_PP_DETAIL_IBP_SPLIT(i, ...) \
    MSGPACK_PP_DETAIL_VD_IBP_CAT(MSGPACK_PP_DETAIL_IBP_PRIMITIVE_CAT(MSGPACK_PP_DETAIL_IBP_SPLIT_,i)(__VA_ARGS__),MSGPACK_PP_EMPTY()) \
/**/
 
#define MSGPACK_PP_DETAIL_IBP_IS_VARIADIC_C(...) 1 1
 
#else
 
#define MSGPACK_PP_DETAIL_IBP_SPLIT(i, ...) \
    MSGPACK_PP_DETAIL_IBP_PRIMITIVE_CAT(MSGPACK_PP_DETAIL_IBP_SPLIT_,i)(__VA_ARGS__) \
/**/
 
#define MSGPACK_PP_DETAIL_IBP_IS_VARIADIC_C(...) 1
 
#endif /* MSGPACK_PP_VARIADICS_MSVC */
 
#define MSGPACK_PP_DETAIL_IBP_SPLIT_0(a, ...) a
#define MSGPACK_PP_DETAIL_IBP_SPLIT_1(a, ...) __VA_ARGS__
 
#define MSGPACK_PP_DETAIL_IBP_CAT(a, ...) MSGPACK_PP_DETAIL_IBP_PRIMITIVE_CAT(a,__VA_ARGS__)
#define MSGPACK_PP_DETAIL_IBP_PRIMITIVE_CAT(a, ...) a ## __VA_ARGS__
 
#define MSGPACK_PP_DETAIL_IBP_IS_VARIADIC_R_1 1,
#define MSGPACK_PP_DETAIL_IBP_IS_VARIADIC_R_MSGPACK_PP_DETAIL_IBP_IS_VARIADIC_C 0,
 
#endif /* MSGPACK_PREPROCESSOR_DETAIL_IS_BEGIN_PARENS_HPP */