various fixups

lisp/ulos.lsp

@@ -1,26 +0,0 @@
-;
-; ULOS simple object system
-; see http://forum.ulisp.com/t/a-simple-object-system-for-ulisp/622
-;
-
-; Define an object
-(defun object (&optional parent slots)
-  (let ((obj (when parent (list (cons 'parent parent)))))
-    (loop
-     (when (null slots) (return obj))
-     (push (cons (first slots) (second slots)) obj)
-     (setq slots (cddr slots)))))
-
-; Get the value of a slot in an object or its parents
-(defun value (obj slot)
-  (when (symbolp obj) (setq obj (eval obj)))
-  (let ((pair (assoc slot obj)))
-    (if pair (cdr pair)
-           (let ((p (cdr (assoc 'parent obj))))
-             (and p (value p slot))))))
-
-; Update a slot in an object
-(defun update (obj slot value)
-  (when (symbolp obj) (setq obj (eval obj)))
-  (let ((pair (assoc slot obj)))
-    (when pair (setf (cdr pair) value))))