From: Joel VanderWerf <vjoel@...>
Date: 2007-10-03T12:55:59+09:00
Subject: Re: Reference vs. Reference

Rick DeNatale wrote:
...
> Two uses of object handles were in the earliest implementations of
> Smalltalk, and in the old Macintosh OS.

I remember those. You had to lock them while accessing the data, because 
the memory manager might try to shunt them around, IIRC.

-- 
        vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407