[issue14288] Make iterators pickleable

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

> The thing to emphasise here is that pickling an iterator is
> "destructive": afterwards the original iterator will be "empty".

If you look at the patch it isn't (or shouldn't be).

I agree with Raymond that accumulating dict and set iterators in a list is a bit weird. That said, with hash randomization, perhaps we can't do any better (the order of elements in the internal table depends on the process-wide hash seed).

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14288>
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