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 # /* See http://www.boost.org for most recent version. */
0011 #
0012 # ifndef BOOST_PREPROCESSOR_IS_BEGIN_PARENS_HPP
0013 # define BOOST_PREPROCESSOR_IS_BEGIN_PARENS_HPP
0014
0015 #include <boost/preprocessor/config/config.hpp>
0016 #include <boost/preprocessor/punctuation/detail/is_begin_parens.hpp>
0017
0018 #if BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400
0019
0020 #define BOOST_PP_IS_BEGIN_PARENS(param) \
0021     BOOST_PP_DETAIL_IBP_SPLIT \
0022       ( \
0023       0, \
0024       BOOST_PP_DETAIL_IBP_CAT \
0025         ( \
0026         BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_, \
0027         BOOST_PP_DETAIL_IBP_IS_VARIADIC_C param \
0028         ) \
0029       ) \
0030 /**/
0031
0032 #else
0033
0034 #define BOOST_PP_IS_BEGIN_PARENS(...) \
0035     BOOST_PP_DETAIL_IBP_SPLIT \
0036       ( \
0037       0, \
0038       BOOST_PP_DETAIL_IBP_CAT \
0039         ( \
0040         BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_, \
0041         BOOST_PP_DETAIL_IBP_IS_VARIADIC_C __VA_ARGS__ \
0042         ) \
0043       ) \
0044 /**/
0045
0046 #endif /* BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400 */
0047 #endif /* BOOST_PREPROCESSOR_IS_BEGIN_PARENS_HPP */