/usr/include/libint2/boost/preprocessor/facilities/is_empty_or_1.hpp is in libint2-dev 2.3.0~beta3-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | # /* **************************************************************************
# * *
# * (C) Copyright Paul Mensonides 2003.
# * 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_IS_EMPTY_OR_1_HPP
# define BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_OR_1_HPP
#
# include <boost/preprocessor/control/iif.hpp>
# include <boost/preprocessor/facilities/empty.hpp>
# include <boost/preprocessor/facilities/identity.hpp>
# include <boost/preprocessor/facilities/is_1.hpp>
# include <boost/preprocessor/facilities/is_empty.hpp>
#
# /* BOOST_PP_IS_EMPTY_OR_1 */
#
# define BOOST_PP_IS_EMPTY_OR_1(x) \
BOOST_PP_IIF( \
BOOST_PP_IS_EMPTY(x BOOST_PP_EMPTY()), \
BOOST_PP_IDENTITY(1), \
BOOST_PP_IS_1 \
)(x) \
/**/
#
# endif
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