Newbie again: computing attributes on the fly

[Olaf Delgado]

On Wed, 16 Jun 1999, David Ascher wrote:

> You may find that using ExtensionClass could help.  See:
> 
>     http://www.digicool.com/releases/ExtensionClass/
> 
> (note especially the section on computed attributes in the documentation).

Oops! That's the kind of advice I was fearing. Last time I tried to
understand that stuff, I really got dizzy.

Anyway, thanks! I'll have a look at it once more.

Yours,
Olaf

-- 
   ////         Olaf Delgado Friedrichs, Uni Bielefeld, Mathematik
   Olaf         Postfach 100131                  (room:  V4-109)
   `='          D-33501 Bielefeld, Germany       (phone: +49 521 106-4765)
                           http://www.mathematik.uni-bielefeld.de/~delgado