From: Austin Ziegler <halostatue@...>
Date: 2004-12-07T08:24:56+09:00
Subject: Re: Freezing Variable Assignment

On Mon, 6 Dec 2004 14:32:12 +0900, Joel VanderWerf
<vjoel@path.berkeley.edu> wrote:
> Austin Ziegler wrote:
> > On Mon, 6 Dec 2004 11:51:55 +0900, Nicholas Van Weerdenburg
> > <vanweerd@gmail.com> wrote:
> >>It's in the same vein that I think Observable should target a
> >>instance variable (an attribute, more generally) of an object,
> >>rather than an entire object.
> > Why?
> It's useful in GUI code, where each control, field, etc. is wired up to
> one or more attrs in the window instance, and other related windows can
> be wired up to those attrs too, to keep their state synchronized. See,
> for instance, foxtails on raa, which uses FXRuby and observable (also on
> raa). That observable lib (which should have been called
> observable-attr) is just what Nicholas described: it makes attrs observable.

That makes sense, and it seems that the observable-attr is the right
thing for what he needs there.

-austin
-- 
Austin Ziegler * halostatue@gmail.com
               * Alternate: austin@halostatue.ca