Py2.3: Feedback on Sets (fwd)

[Aahz]

In article <mailman.1061051286.23348.python-list at python.org>,
David Mertz <mertz at gnosis.cx> wrote:
>
>The mention of Set.powerset() above is quite interesting to me.  It
>feels both exciting and dangerous :-).
>
>As we all know, the size of the powerset of S, for len(S)==N, is 2**N.
>Seems like it would be really easy to run into some long runtimes and
>memory usage.  Then again, power set really is a fundamental operation
>on sets.  And making users rewrite it each time is error prone.

Maybe make it an iterator?  <0.3 wink>
-- 
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

This is Python.  We don't care much about theory, except where it intersects 
with useful practice.  --Aahz