Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!ucsd!ucbvax!huji.ac.il!hobbit
From: hobbit@huji.ac.il (yoav gonen)
Newsgroups: comp.lang.lisp
Subject: How to do set! on lists?
Message-ID: <hobbit.660999284@shum>
Date: 12 Dec 90 10:54:44 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Distribution: comp
Lines: 4

I've already tried to do set! on lists and it did'n't worked out.
I assume that I must use set-car! or set-cdr! in order to change a list,
but if,for example i want to change a given list to a null one ( == '() )
how can I do that???