[Python-Dev] Oberver Pattern

[Just van Rossum]

Fredrik Lundh wrote:

> in real life, "something happened" is almost entirely useless,
> and the other extreme "this and this and this and this and
> this happened" isn't much better.  to get performance, you
> need to think in data model terms...

There's one application for which I've occasionally wished there was a deeply
integrated observer API: object browsers in an IDE. But other than that, I think
you're absolutely right.

Just