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predicate support for object-like config macros

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[SVN r16767]
This commit is contained in:
Paul Mensonides
2003-01-06 01:07:12 +00:00
parent ad641c4b14
commit fbe6a2a52e
3 changed files with 99 additions and 0 deletions
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24
include/boost/preprocessor/facilities/is_1.hpp Normal file
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# /* **************************************************************************
# * *
# * (C) Copyright Paul Mensonides 2003. 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_IS_1_HPP
# define BOOST_PREPROCESSOR_FACILITIES_IS_1_HPP
#
# include <boost/preprocessor/cat.hpp>
# include <boost/preprocessor/facilities/is_empty.hpp>
#
# /* BOOST_PP_IS_1 */
#
# define BOOST_PP_IS_1(x) BOOST_PP_IS_EMPTY(BOOST_PP_CAT(BOOST_PP_IS_1_HELPER_, x))
# define BOOST_PP_IS_1_HELPER_1
#
# endif