Re: Clean Object Class Design -- What is it?

>
> Rico wrote in message ...
>
> >"Set-level operations" have nothing to do with updating information.
> >"Set-level operations" are: union, intersection, difference, etc. There's
> >no "update" in there.
>
>
> insert(x,S) = union (S, {x])
>

Is that square bracket supposed to be curly, by chance?

> remove(x,S) = difference(S, {x})
>
> update(x,y,S) = insert(y, remove(x,S) )
>
> --PeterD
>

Everything is everything. There are many paths to Turing :-)

-T- Received on Sun Jul 22 2001 - 01:34:44 CEST