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

#  *                                                                          *

#  *     (C) Copyright Edward Diener 2014.

#  *     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_VARIADIC_HPP

# define BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_VARIADIC_HPP

#

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

#

# if BOOST_PP_VARIADICS

#

# include <boost/preprocessor/punctuation/is_begin_parens.hpp>

# include <boost/preprocessor/facilities/detail/is_empty.hpp>

#

#if BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400

#

#define BOOST_PP_IS_EMPTY(param) \

    BOOST_PP_DETAIL_IS_EMPTY_IIF \
      ( \
      BOOST_PP_IS_BEGIN_PARENS \
        ( \
        param \
        ) \
      ) \
      ( \
      BOOST_PP_IS_EMPTY_ZERO, \
      BOOST_PP_DETAIL_IS_EMPTY_PROCESS \
      ) \
    (param) \
/**/
#define BOOST_PP_IS_EMPTY_ZERO(param) 0

# else

#define BOOST_PP_IS_EMPTY(...) \

    BOOST_PP_DETAIL_IS_EMPTY_IIF \
      ( \
      BOOST_PP_IS_BEGIN_PARENS \
        ( \
        __VA_ARGS__ \
        ) \
      ) \
      ( \
      BOOST_PP_IS_EMPTY_ZERO, \
      BOOST_PP_DETAIL_IS_EMPTY_PROCESS \
      ) \
    (__VA_ARGS__) \
/**/
#define BOOST_PP_IS_EMPTY_ZERO(...) 0

# endif /* BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400 */

# endif /* BOOST_PP_VARIADICS */

# endif /* BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_VARIADIC_HPP */