[Python-Dev] removing nested tuple function parameters

Michael Hudson mwh at python.net
Mon Sep 19 22:07:34 CEST 2005


"Andrew Koenig" <ark at acm.org> writes:

>> The only practical reason to like this feature is sparing the need of
>> finding an otherwise useless name for the formal argument.  Another
>> reason, but not practical at all, is that the concept conveys some
>> elegance and originality (each programming language should ideally have
>> a few of these) and is enforced in other places in Python, like in the
>> `for' statement -- where I find implied unpacking very, very useful.
>
> One other reason: It is possible to imagine using the feature to catch some
> type errors at the point of call, rather than having to get into the
> function itself before detecting them.

Conceptually, maybe, but implementation wise, that's not how things
work.

Cheers,
mwh

-- 
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