1 # /* **************************************************************************

     2 #  *                                                                          *

     3 #  *     (C) Copyright Paul Mensonides 2002.

     4 #  *     Distributed under the Boost Software License, Version 1.0. (See

     5 #  *     accompanying file LICENSE_1_0.txt or copy at

     6 #  *     http://www.boost.org/LICENSE_1_0.txt)

     7 #  *                                                                          *

     8 #  ************************************************************************** */

     9 #

    10 # /* See http://www.boost.org for most recent version. */

    11 #

    12 # ifndef BOOST_PREPROCESSOR_DETAIL_IS_NULLARY_HPP

    13 # define BOOST_PREPROCESSOR_DETAIL_IS_NULLARY_HPP

    14 #

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

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

    17 #

    18 # /* BOOST_PP_IS_NULLARY */

    19 #

    20 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()

    21 #    define BOOST_PP_IS_NULLARY(x) BOOST_PP_CHECK(x, BOOST_PP_IS_NULLARY_CHECK)

    22 # else

    23 #    define BOOST_PP_IS_NULLARY(x) BOOST_PP_IS_NULLARY_I(x)

    24 #    define BOOST_PP_IS_NULLARY_I(x) BOOST_PP_CHECK(x, BOOST_PP_IS_NULLARY_CHECK)

    25 # endif

    26 #

    27 # define BOOST_PP_IS_NULLARY_CHECK() 1

    28 # define BOOST_PP_CHECK_RESULT_BOOST_PP_IS_NULLARY_CHECK 0, BOOST_PP_NIL

    29 #

    30 # endif