Serhiy Storchaka <storchaka+cpyt...@gmail.com> added the comment:
It will fail for infinite and very large iterables. It can cause performing
unexpected operations. Examples:
zip(itertools.count(), itertools.repeat(None))
zip(file1, file2)
In general, the repr of the iterator should not change it state. But your
proposition exhausts it.
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nosy: +serhiy.storchaka
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36923>
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