(define-public (object-type obj)
(match-predicate obj type-p-name-alist))
+
(define-public (object-type-name obj)
(type-name (match-predicate obj type-p-name-alist)))
+
(define-public (type-name predicate)
(let ((entry (assoc predicate type-p-name-alist)))
(if (pair? entry) (cdr entry)