Path: utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!ncar!ames!ig!arizona!mike
From: mike@arizona.edu (Mike Coffin)
Newsgroups: comp.lang.lisp
Subject: Re: Overloading of NIL (as empty list and logical falsity)
Message-ID: <9847@megaron.arizona.edu>
Date: 22 Mar 89 23:58:37 GMT
References: <2906@kalliope.rice.edu>
Distribution: na
Organization: U of Arizona CS Dept, Tucson
Lines: 16

From article <2906@kalliope.rice.edu>, by dorai@titan.rice.edu (Dorai Sitaram):
> In all the Schemes I've come across, #f and '() are just two ways of
> writing the same object. They are indistinguishable from each other,
> i.e., (eq? #f '()) ==> true.

Yes, I was wrong.  They are not required to be the same, but it is
allowed, so you can't rely on them being different if you want to
write portable code.  Sorry for the mistake.

-mike


-- 
Mike Coffin				mike@arizona.edu
Univ. of Ariz. Dept. of Comp. Sci.	{allegra,cmcl2}!arizona!mike
Tucson, AZ  85721			(602)621-2858