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Added the BOOST_PP_CHECK_EMPTY macro and documentation.

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Edward Diener
2019-10-06 22:06:38 -04:00
parent af70b2872e
commit 88a0365f4d
6 changed files with 190 additions and 0 deletions
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1
include/boost/preprocessor/facilities.hpp
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@ -14,6 +14,7 @@
# define BOOST_PREPROCESSOR_FACILITIES_HPP
#
# include <boost/preprocessor/facilities/apply.hpp>
# include <boost/preprocessor/facilities/check_empty.hpp>
# include <boost/preprocessor/facilities/empty.hpp>
# include <boost/preprocessor/facilities/expand.hpp>
# include <boost/preprocessor/facilities/identity.hpp>

19
include/boost/preprocessor/facilities/check_empty.hpp Normal file
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@ -0,0 +1,19 @@
# /* **************************************************************************
# * *
# * (C) Copyright Edward Diener 2019.
# * 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 BOOST_PREPROCESSOR_FACILITIES_CHECK_EMPTY_HPP
# define BOOST_PREPROCESSOR_FACILITIES_CHECK_EMPTY_HPP
# include <boost/preprocessor/variadic/opt.hpp>
# if BOOST_PP_VARIADIC_OPT()
# include <boost/preprocessor/facilities/is_empty_variadic.hpp>
# define BOOST_PP_CHECK_EMPTY(...) BOOST_PP_IS_EMPTY_OPT(__VA_ARGS__)
# endif /* BOOST_PP_VARIADIC_OPT() */
# endif /* BOOST_PREPROCESSOR_FACILITIES_CHECK_EMPTY_HPP */