((* t) t)
((instance) (%instancep object))
((funcallable-instance) (funcallable-instance-p object))
+ ((extended-sequence) (extended-sequence-p object))
((nil) nil)))
(numeric-type
(and (numberp object)
(specifier-type (array-element-type
object)))))))
(member-type
- (if (member object (member-type-members type)) t))
+ (when (member-type-member-p object type)
+ t))
(classoid
#+sb-xc-host (ctypep object type)
#-sb-xc-host (classoid-typep (layout-of object) type object))