;;; semistandard types
(sb!xc:deftype generalized-boolean () t)
+(sb!xc:deftype format-control ()
+ '(or string function))
+
+(sb!xc:deftype restart-designator ()
+ '(or (and symbol (not null)) restart))
+
;;; array rank, total size...
(sb!xc:deftype array-rank () `(integer 0 (,sb!xc:array-rank-limit)))
(sb!xc:deftype array-total-size ()