Ron Provost wrote:
> class X( object ):
>fn = None
>@staticmethod
>def callX( n ):
> return X.fn( n )
> Now, the following global stuff represents my higher-level routines:
> def fn_impl( n ): # my callback
>return n + 1
> X.fn = fn_impl # register my callback
> No
Ron Provost wrote:
> Within an application I'm working on. The app is written in multiple
> layers such that lower layers provided services to higher layers.
> Ideally in such an architecture, the high-level objects know about
> lower-level ones, but lower-level objects know nothing about the
