(let* ((*current-component* (node-component ref))
(ep (optional-dispatch-entry-point-fun
fun (optional-dispatch-max-args fun))))
(when (null (leaf-refs ep))
(aver (= (optional-dispatch-min-args fun) 0))
(let* ((*current-component* (node-component ref))
(ep (optional-dispatch-entry-point-fun
fun (optional-dispatch-max-args fun))))
(when (null (leaf-refs ep))
(aver (= (optional-dispatch-min-args fun) 0))