text: # /* **************************************************************************
  #  *                                                                          *
  #  *     (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 MSGPACK_PREPROCESSOR_DETAIL_IS_UNARY_HPP
  # define MSGPACK_PREPROCESSOR_DETAIL_IS_UNARY_HPP
  #
  # include <msgpack/preprocessor/config/config.hpp>
  # include <msgpack/preprocessor/detail/check.hpp>
  #
  # /* MSGPACK_PP_IS_UNARY */
  #
  # if ~MSGPACK_PP_CONFIG_FLAGS() & MSGPACK_PP_CONFIG_EDG()
  #    define MSGPACK_PP_IS_UNARY(x) MSGPACK_PP_CHECK(x, MSGPACK_PP_IS_UNARY_CHECK)
  # else
  #    define MSGPACK_PP_IS_UNARY(x) MSGPACK_PP_IS_UNARY_I(x)
  #    define MSGPACK_PP_IS_UNARY_I(x) MSGPACK_PP_CHECK(x, MSGPACK_PP_IS_UNARY_CHECK)
  # endif
  #
  # define MSGPACK_PP_IS_UNARY_CHECK(a) 1
  # define MSGPACK_PP_CHECK_RESULT_MSGPACK_PP_IS_UNARY_CHECK 0, MSGPACK_PP_NIL
  #
  # endif
  