[Tutor] design of Point class

[Steven D'Aprano]

On Sat, 21 Aug 2010 11:50:40 am Steven D'Aprano wrote:
> On Sat, 21 Aug 2010 08:08:56 am Alan Gauld wrote:
> > Every time you change the interface of inherited methods you
> > create for yourself extra work in converting types to match the
> > superclass. But that is often easier than rewriting the methods
> > from scratch.
>
> Every time you change the interface of inherited methods, you
> probably shouldn't.

Oops, that's a generic "you", not Alan. After all, he went on to mention 
Liskov in the very next paragraph.



-- 
Steven D'Aprano