Support of algebraic operations on sets

Gary Chambers gazzaguru2 at
Fri Jun 15 12:40:58 UTC 2007

Yes, I've missed it! Think "things that are here now as opposed to then".

-----Original Message-----
From: squeak-dev-bounces at
[mailto:squeak-dev-bounces at] On Behalf Of Bert
Sent: 15 June 2007 1:21 pm
To: The general-purpose Squeak developers list
Subject: Re: Support of algebraic operations on sets

On Jun 15, 2007, at 13:52 , Gary Chambers wrote:

> Note that #difference: is the relative complement of the two sets,
> rather
> than the symmetric difference.
> Perhaps we could have a method for that too!

IMHO that's not nearly as universally useful as the other operations.  
Has anybody ever missed it before? We're not talking about Set theory  
but actual usefulness as a general Collection protocol.

- Bert -

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