expression form of one-to-many dict?

[Mike Meyer]

Nick Craig-Wood <nick at craig-wood.com> writes:

> It would be nice if setdefault didn't evaluate the second argument
> unless it needed it.  However I guess it would have to be a language
> feature to do that.

Personally, I'd love a language feature that let you create a function
that didn't evaluate arguments until they were actually used - lazy
evaluation. That lets you write the C ?: operator as a function, for
a start.

Hmmm. No, iterators can't be used to fake it. Oh well.

      <mike
-- 
Mike Meyer <mwm at mired.org>			http://www.mired.org/home/mwm/
Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information.