[Python-Dev] Proposal: Allow any mapping after ** in calls

[Guido van Rossum]

I'm +1 on the idea, but have no time to review the change.

On 4/18/07, Georg Brandl <g.brandl at gmx.net> wrote:
> Alexander Belopolsky schrieb:
> > Python allows arbitrary sequences after * in calls, but an expression
> > following ** must be a (subclass of) dict.  I believe * and ** should
> > be treated similarly and since f(*UserList(..)) is valid,
> > f(**UserDict(..)) should be valid as well.
> >
> > Of course, I can work around this limitation by writing
> > f(**dict(UserDict(..))), but this is unnatural given that I don't have
> > to do f(*tuple(UserList(..))).
> >
> > I have submitted a patch on SF that makes Python accept arbitrary
> > mappings after **.
>
> Ping! Nobody interested in this?
>
> Georg
>
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-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)