;;; argument <gf1>, and returns a result <df1>, that result must not be
;;; passed to apply or funcall directly. Rather, <df1> must be stored as
;;; the funcallable instance function of the same generic function <gf1>
;;; argument <gf1>, and returns a result <df1>, that result must not be
;;; passed to apply or funcall directly. Rather, <df1> must be stored as
;;; the funcallable instance function of the same generic function <gf1>