+ (%type-check t :type (member t nil :deleted :no-check))
+ ;; Asserted type, weakend according to policies
+ (type-to-check *wild-type* :type ctype)
+ ;; Cached type which is checked by DEST. If NIL, then this must be
+ ;; recomputed: see CONTINUATION-EXTERNALLY-CHECKABLE-TYPE.
+ (%externally-checkable-type nil :type (or null ctype))