[Python-3000] Abilities / Interfaces

[Fred L. Drake, Jr.]

On Tuesday 21 November 2006 17:18, George Sakkis wrote:
 > I'd like that too, with some concrete examples if possible.  I'm still
 > unsure what interfaces buy us that ABCs (are these the same/equivalent
 > to mixins?) don't, especially with an adaptation/generic function
 > mechanism in place.

One thing that mixins/ABCs can't support that we use quite frequently in Zope 
3 applications is stamping additional interfaces on instances.  This is often 
done to influence adaptation.


  -Fred

-- 
Fred L. Drake, Jr.   <fdrake at acm.org>