parameters: ()
return_statement: return _rostime_current == None
docstring: Internal use for ROS-time routines.
      @return: True if ROS is currently using wallclock time
      @rtype: bool
docstring_summary: Internal use for ROS-time routines.
docstring_tokens: Internal use for ROS - time routines .
function: def is_wallclock():
      """
      Internal use for ROS-time routines.
      @return: True if ROS is currently using wallclock time
      @rtype: bool
      """
      return _rostime_current == None
function_tokens: def is_wallclock ( ) : return _rostime_current == None