[Python-3000] Traits/roles instead of ABCs

[Bill Janssen]

> On 4/30/07, Raymond Hettinger <python at rcn.com> wrote:
> > I'm concerned that the current ABC proposal will quickly evolve from optional
> > to required and create somewhat somewhat java-esque landscape where
> > inheritance and full-specification are the order of the day.
> 
> +1 for preferring simple solutions to complex ones

Me, too.  But which is the simple solution?  I tend to think ABCs are.

> +inf for not turning Python into Java or C++ <0.5 wink>

Not into the bad parts of either, to be sure.

Bill