[Python-Dev] Oberver Pattern

[Fredrik Lundh]

guido wrote:


> > This could be very useful for GUIs, too, for implementing
> > model-view relationships. The anygui people would be very
> > interested, I'm sure.
>=20
> Obviously it's useful for GUIs, it was invented for that use.  But
> does every built-in mutable container type need to implement it to be
> useful there?

no.

-1 from here.  there are already ways to do everything
that C-level observers can do, and the existing ways are
far more flexible.

</F>