From: Jeremy Kemper <jeremy@...>
Date: 2005-12-08T07:57:45+09:00
Subject: Re: Standard Library questions

On Dec 7, 2005, at 2:46 PM, Joe Van Dyk wrote:
> I'm spending an hour or two today going through Ruby's standard
> library, seeing what's in there.
>
> What the hell is WeakRef used for?  How is that useful?

Consider a cache whose entries are ok to be garbage collected.

jeremy