From ...
From: Erik Naggum <clerik@naggum.no>
Subject: Re: SETF intuitiveness? (was: Returning Functions)
Date: 1997/10/14
Message-ID: <3085813927798089@naggum.no>#1/1
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References: <kig201r1oex.fsf_-_@jagor.srce.hr> <61r5os$87b@pasilla.bbnplanet.com> <kigafgevvvc.fsf@jagor.srce.hr> <61ubtq$69c@pasilla.bbnplanet.com>
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* Barry Margolin
| Locatives complicate garbage collection.  Locatives allow you to have
| pointers into the "middle" of composite objects, whereas "normal" Lisp
| pointers can only point to the beginning of an object.

would it be too much work and hassle to make a locative be a relative
pointer into a normal Lisp object?  (I'm thinking by analogy to displaced
arrays.)

#\Erik
-- 
if you think this year is "97", _you_ are not "year 2000 compliant".

see http://www.naggum.no/emacs/ for Emacs-20-related material.