boost_preprocessor/include/boost/preprocessor/facilities/apply.hpp

# /* **************************************************************************
#  *                                                                          *
#  *     (C) Copyright Paul Mensonides 2002.  Permission to copy, use,        *
#  *     modify, sell, and distribute this software is granted provided       *
#  *     this copyright notice appears in all copies.  This software is       *
#  *     provided "as is" without express or implied warranty, and with       *
#  *     no claim at to its suitability for any purpose.                      *
#  *                                                                          *
#  ************************************************************************** */
#
# /* See http://www.boost.org for most recent version. */
#
# ifndef BOOST_PREPROCESSOR_FACILITIES_APPLY_HPP
# define BOOST_PREPROCESSOR_FACILITIES_APPLY_HPP
#
# include <boost/preprocessor/cat.hpp>
# include <boost/preprocessor/config/config.hpp>
# include <boost/preprocessor/control/expr_iif.hpp>
# include <boost/preprocessor/detail/is_unary.hpp>
# include <boost/preprocessor/tuple/rem.hpp>
#
# /* BOOST_PP_APPLY */
#
# if ~BOOST_PP_CONFIG_FLAGS & BOOST_PP_CONFIG_EDG && ~BOOST_PP_CONFIG & BOOST_PP_CONFIG_BCC
#    define BOOST_PP_APPLY BOOST_PP_APPLY_I
# else
#    define BOOST_PP_APPLY(x) BOOST_PP_APPLY_I(x)
# endif
#
# if ~BOOST_PP_CONFIG_FLAGS & BOOST_PP_CONFIG_BCC
#    define BOOST_PP_APPLY_I(x) BOOST_PP_EXPR_IIF(BOOST_PP_IS_UNARY(x), BOOST_PP_TUPLE_REM_1 x)
# else
#    define BOOST_PP_APPLY_I(x) BOOST_PP_APPLY_ ## x
#    define BOOST_PP_APPLY_(x) x
#    define BOOST_PP_APPLY_BOOST_PP_NIL
# endif
#
# endif