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Showing content from https://mail.python.org/pipermail/python-dev/2002-July/026360.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
Fri, 12 Jul 2002 12:48:16 -0400
>>>>> "GvR" == Guido van Rossum <guido@python.org> writes:

    >> Would it be useful to add to the interator "interface" a method
    >> which would retrieve the original iterable object?  I've no
    >> idea what that method should be called, but it seems like it
    >> would be trivial to add since most (all?) iterators have a
    >> pointer to their underlying object anyway, don't they?

    GvR> No.  The (important!) class of generator-iterators does not
    GvR> have an underlying container object.

Yup, but in that case I think it would be fine if
it.gimme_the_underlying_iteratable_object() returned None.

It still may be useless. ;)
-Barry




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