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

#  *                                                                          *

#  *     (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_HPP

# define BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_HPP

#

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

# include <boost/preprocessor/cat.hpp>

# include <boost/preprocessor/tuple/elem.hpp>

# include <boost/preprocessor/facilities/empty.hpp>

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

#

# /* BOOST_PP_IS_EMPTY */

#

# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC() && ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()

#    define BOOST_PP_IS_EMPTY(x) BOOST_PP_IS_EMPTY_I(x BOOST_PP_IS_EMPTY_HELPER)

#    define BOOST_PP_IS_EMPTY_I(contents) BOOST_PP_TUPLE_ELEM(2, 1, (BOOST_PP_IS_EMPTY_DEF_ ## contents()))

#    define BOOST_PP_IS_EMPTY_DEF_BOOST_PP_IS_EMPTY_HELPER 1, 1 BOOST_PP_EMPTY

#    define BOOST_PP_IS_EMPTY_HELPER() , 0

# else

#    if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()

#        define BOOST_PP_IS_EMPTY(x) BOOST_PP_IS_EMPTY_I(BOOST_PP_IS_EMPTY_HELPER x ())

#        define BOOST_PP_IS_EMPTY_I(test) BOOST_PP_IS_EMPTY_II(BOOST_PP_SPLIT(0, BOOST_PP_CAT(BOOST_PP_IS_EMPTY_DEF_, test)))

#        define BOOST_PP_IS_EMPTY_II(id) id

#    else

#        define BOOST_PP_IS_EMPTY(x) BOOST_PP_IS_EMPTY_I((BOOST_PP_IS_EMPTY_HELPER x ()))

#        define BOOST_PP_IS_EMPTY_I(par) BOOST_PP_IS_EMPTY_II ## par

#        define BOOST_PP_IS_EMPTY_II(test) BOOST_PP_SPLIT(0, BOOST_PP_CAT(BOOST_PP_IS_EMPTY_DEF_, test))

#    endif

#    define BOOST_PP_IS_EMPTY_HELPER() 1

#    define BOOST_PP_IS_EMPTY_DEF_1 1, BOOST_PP_NIL

#    define BOOST_PP_IS_EMPTY_DEF_BOOST_PP_IS_EMPTY_HELPER 0, BOOST_PP_NIL

# endif

#

# endif