RosettaCodeData/Task/Undefined-values/Common-Lisp/undefined-values-2.lisp
Ingy döt Net 68f8f3e56b all tasks
2013-04-11 01:07:29 -07:00

3 lines
126 B
Common Lisp

(makunbound '*y*) ;; *y* no longer has a value; it is erroneous to evaluate *y*
(setf *y* 43) ;; *y* is bound again.