preprocessor/punctuation/is_begin_parens.hpp

0001 # /* **************************************************************************
0002 #  *                                                                          *
0003 #  *     (C) Copyright Edward Diener 2014.
0004 #  *     Distributed under the Boost Software License, Version 1.0. (See
0005 #  *     accompanying file LICENSE_1_0.txt or copy at
0006 #  *     http://www.boost.org/LICENSE_1_0.txt)
0007 #  *                                                                          *
0008 #  ************************************************************************** */
0009 0010 ">#
0011 # /* See http://www.boost.org for most recent version. */
0012 0013 ">#
0014 # ifndef BOOST_PREPROCESSOR_IS_BEGIN_PARENS_HPP
0015 # define BOOST_PREPROCESSOR_IS_BEGIN_PARENS_HPP
0016
0017 #include <boost/preprocessor/config/config.hpp>
0018 #include <boost/preprocessor/punctuation/detail/is_begin_parens.hpp>
0019
0020 #if BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400
0021
0022 #define BOOST_PP_IS_BEGIN_PARENS(param) \
0023     BOOST_PP_DETAIL_IBP_SPLIT \
0024       ( \
0025       0, \
0026       BOOST_PP_DETAIL_IBP_CAT \
0027         ( \
0028         BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_, \
0029         BOOST_PP_DETAIL_IBP_IS_VARIADIC_C param \
0030         ) \
0031       ) \
0032 /**/
0033
0034 #else
0035
0036 #define BOOST_PP_IS_BEGIN_PARENS(...) \
0037     BOOST_PP_DETAIL_IBP_SPLIT \
0038       ( \
0039       0, \
0040       BOOST_PP_DETAIL_IBP_CAT \
0041         ( \
0042         BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_, \
0043         BOOST_PP_DETAIL_IBP_IS_VARIADIC_C __VA_ARGS__ \
0044         ) \
0045       ) \
0046 /**/
0047
0048 #endif /* BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400 */
0049 #endif /* BOOST_PREPROCESSOR_IS_BEGIN_PARENS_HPP */