On Mon, Apr 16, 2018 at 6:46 AM, Koos Zevenhoven <k7ho...@gmail.com> wrote:
> Anyway, the whole linked list is unnecessary if the iterable can be iterated
> over multiple times. But "tee" won't know when to do that. *That* is what I
> call overhead (unless of course all the tee branches are consumed in an
> interleaved manner).

But if you have something you can iterate over multiple times, why
bother with tee at all? Just take N iterators from the underlying
iterable. The overhead is intrinsic to the value of the function.

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