----
*WF_Legendas?
*WF_Number?
*WF_String?
*WF_NumberparaString?
*WF_Boolean?
*WF_Date?
*WF_Math?
*WF_Array?
*WF_Function?
*WF_logic?
*WF_Object?
*WF_type?
*WF_object-orientation?
*WF_Exceptions?
