(not (eq (cdr index) +slot-unbound+)))))
`(boundp ,slot-name)))
(defun make-optimized-structure-slot-value-using-class-method-function (function)
(declare (type function function))
(lambda (class object slotd)
(not (eq (cdr index) +slot-unbound+)))))
`(boundp ,slot-name)))
(defun make-optimized-structure-slot-value-using-class-method-function (function)
(declare (type function function))
(lambda (class object slotd)