[Python-3000] PEP 3132: Extended Iterable Unpacking

Georg Brandl g.brandl at gmx.net
Wed May 2 09:02:18 CEST 2007


Guido van Rossum schrieb:
> On 5/1/07, Brett Cannon <brett at python.org> wrote:
>> > Also, what should this do? Perhaps the grammar could disallow it?
>> >
>> > *a = range(5)
>>
>> I say disallow it.  That is ambiguous as to what your intentions are even if
>> you know what '*' does for multiple assignment.
> 
> My real point was that the PEP lacks precision here. It should list
> the exact proposed changes to Grammar/Grammar.

You're right.

I tried to imply this with "A tuple (or list) on the left side of a
simple assignment", but it isn't clear enough.

I'll update the PEP to incorporate the grammar changes today.

Georg

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