[Python-ideas] universal set object for use in set manipulation

[Georg Brandl]

Greg Ewing schrieb:
> Andy Kish wrote:
> 
>> It's really annoying to having appropriate identity element for
>> union built in while missing the *correct* identity element for
>> intersection.
> 
> What would
> 
>     for x in set.universal():
>       ...

Since it has to yield all possible Python objects, it could start with
the integers.  It's not likely to run out of them any time soon

<duck>
Georg

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