If you're using the loop macro, you can do it from Common Lisp (see [0]). (block outer (loop for i from 0 return 100) ; 100 returned from LOOP (print

If you're using the loop macro, you can do it from Common Lisp (see [0]). (block outer (loop for i from 0 return 100) ; 100 returned from LOOP (print "This will print") 200) ==> 200 (block outer (loop for i from 0 do (return-from outer 100)) ; 100 returned from BLOCK (print "This won't print") 200) ==> 100 [0] - http://www.gigamonkeys.com/book/loop-for-black-belts.html http://www.gigamonkeys.com/book/loop-for-black-belts.html EDIT: I always do formatting wrong on here.