Chris@16: # /* **************************************************************************
Chris@16: #  *                                                                          *
Chris@16: #  *     (C) Copyright Paul Mensonides 2003.
Chris@16: #  *     Distributed under the Boost Software License, Version 1.0. (See
Chris@16: #  *     accompanying file LICENSE_1_0.txt or copy at
Chris@16: #  *     http://www.boost.org/LICENSE_1_0.txt)
Chris@16: #  *                                                                          *
Chris@16: #  ************************************************************************** */
Chris@16: #
Chris@16: # /* See http://www.boost.org for most recent version. */
Chris@16: #
Chris@16: # ifndef BOOST_PREPROCESSOR_FACILITIES_IS_1_HPP
Chris@16: # define BOOST_PREPROCESSOR_FACILITIES_IS_1_HPP
Chris@16: #
Chris@16: # include <boost/preprocessor/cat.hpp>
Chris@16: # include <boost/preprocessor/facilities/is_empty.hpp>
Chris@16: #
Chris@16: # /* BOOST_PP_IS_1 */
Chris@16: #
Chris@16: # define BOOST_PP_IS_1(x) BOOST_PP_IS_EMPTY(BOOST_PP_CAT(BOOST_PP_IS_1_HELPER_, x))
Chris@16: # define BOOST_PP_IS_1_HELPER_1
Chris@16: #
Chris@16: # endif