The8472 60a900ee10 remove InPlaceIterable marker from Peekable due to unsoundness
The unsoundness is not in Peekable per se, it rather is due to the
interaction between Peekable being able to hold an extra item
and vec::IntoIter's clone implementation shortening the allocation.

An alternative solution would be to change IntoIter's clone implementation
to keep enough spare capacity available.
2021-05-19 01:41:09 +02:00
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