- (find (to-slot-name slot-name)
- (if direct?
- (ordered-class-direct-slots class)
- (ordered-class-slots class))
- :key #'slot-definition-name))
+ (labels ((find-it (class)
+ (let* ((slots (if direct?
+ (ordered-class-direct-slots class)
+ (ordered-class-slots class)))
+ (it (find-if predicate slots)))
+ (or it
+ (when recurse?
+ (loop for sup in (class-direct-superclasses class)
+ for rtn = (find-it sup)
+ until rtn
+ finally (return rtn)))))))
+ (find-it class)))
+
+(defun find-slot-by-name (class slot-name &optional direct? recurse?)
+ "Looks up a direct-slot-definition by name"
+ (setf class (to-class class)
+ slot-name (to-slot-name slot-name))
+ (find-slot-if class (lambda (slot-def) (eql (to-slot-name slot-def) slot-name))
+ direct? recurse?))