# /* **************************************************************************

 #  *                                                                          *

 #  *     (C) Copyright Paul Mensonides 2002.

 #  *     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_DETAIL_IS_UNARY_HPP

 # define BOOST_PREPROCESSOR_DETAIL_IS_UNARY_HPP

 #

 # include <boost/preprocessor/config/config.hpp>

 # include <boost/preprocessor/detail/check.hpp>

 #

 # /* BOOST_PP_IS_UNARY */

 #

 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()

 #    define BOOST_PP_IS_UNARY(x) BOOST_PP_CHECK(x, BOOST_PP_IS_UNARY_CHECK)

 # else

 #    define BOOST_PP_IS_UNARY(x) BOOST_PP_IS_UNARY_I(x)

 #    define BOOST_PP_IS_UNARY_I(x) BOOST_PP_CHECK(x, BOOST_PP_IS_UNARY_CHECK)

 # endif

 #

 # define BOOST_PP_IS_UNARY_CHECK(a) 1

 # define BOOST_PP_CHECK_RESULT_BOOST_PP_IS_UNARY_CHECK 0, BOOST_PP_NIL

 #

 # endif