Common Lisp: (setf *a* nil) (dotimes (x 3) (push (lambda () x) *a*)) (mapcar #'funcall *a*) prints (3 3 3 3) as well. I think the author is

Common Lisp: (setf *a* nil) (dotimes (x 3) (push (lambda () x) *a*)) (mapcar #'funcall *a*) prints (3 3 3 3) as well. I think the author is mixing up variable capture with scoping.