Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!ucsd!ucbvax!hplabs!hplabsz!mayer
From: mayer@hplabsz.HPL.HP.COM (Niels Mayer)
Newsgroups: comp.lang.lisp
Subject: Re: Weak Reference in Common Lisp
Message-ID: <5819@hplabsz.HPL.HP.COM>
Date: 17 Aug 90 02:46:13 GMT
References: <81084@aerospace.AERO.ORG>
Reply-To: mayer@hplabs.hp.com (Niels Mayer)
Distribution: usa
Organization: Hewlett-Packard Labs, Software & Systems Lab, Palo Alto, CA.
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In article <81084@aerospace.AERO.ORG> srt@aero.org (Scott "TCB" Turner) writes:
>Is there a mechanism in Common Lisp (specifically AKCL) for weak
>reference?  By weak reference I mean a reference that won't prevent
>garbage collection if no other references exist.
>
>						-- Scott Turner

Sorry, I don't know, infact I'd like to find out more about weak
references.

Does anybody have any pointers to articles on this subject? What do weak
references buy you? How do they affect performance? Why do you want them?
How do you use them?

Thanks.

-------------------------------------------------------------------------------
	    Niels Mayer -- hplabs!mayer -- mayer@hplabs.hp.com
		  Human-Computer Interaction Department
		       Hewlett-Packard Laboratories
			      Palo Alto, CA.
				   *