Support of algebraic operations on sets

Bert Freudenberg bert at
Fri Jun 15 12:21:08 UTC 2007

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 -

More information about the Squeak-dev mailing list