No, I guess there are some difference that would violate even a
generic implementation. So I guess that can has already been opened.

On 15 Mar, 02:41, Guillermo Rauch <[email protected]> wrote:
> On Sat, Mar 14, 2009 at 11:25 PM, Sebastian Markbåge
> <[email protected]>wrote:
>
>
>
> > My issue with that is that it would violate the Liskov substitution
> > principle of object oriented design. The subclass would have a
> > stronger contract than the superclass. Introducing this anti-pattern
> > could open up a can of worms.
>
> Introducing ? Can you subtitute Fx.Tween with Fx.Morph ?
>
> --
> Guillermo Rauchhttp://devthought.com

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