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Showing content from https://mail.python.org/pipermail/python-dev/2002-July/026532.html below:

[Python-Dev] Single- vs. Multi-pass iterability

[Python-Dev] Single- vs. Multi-pass iterability [Python-Dev] Single- vs. Multi-pass iterabilityBarry A. Warsaw barry@zope.com
Mon, 15 Jul 2002 10:19:33 -0400
>>>>> "AM" == Alex Martelli <aleax@aleax.it> writes:

    AM> The big question is rather: given that Isub inherits from
    AM> Isuper, does any object implementing Isub also implicitly
    AM> implement Isuper?

There's another issue that Jim Fulton likes to bring up, IIRC.  If
class Super implements IInterface, does class Sub(Super) also
(automatically) implement IInterface?

I could be totally misremembering, but I believe that Jim would say
"no".  Class Sub would have to explicitly declare that it also
implements IInterface.

-Barry




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