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Skip should implement ExactSizeIterator #20547

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awelkie opened this issue Jan 5, 2015 · 0 comments · Fixed by #21453
Closed

Skip should implement ExactSizeIterator #20547

awelkie opened this issue Jan 5, 2015 · 0 comments · Fixed by #21453

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@awelkie
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awelkie commented Jan 5, 2015

This should be in iter.rs:

impl<I> ExactSizeIterator for Skip<I> where I: ExactSizeIterator{ }

This would require either implementing DoubleEndedIterator for Skip<I> (where I: DoubleEndedIterator), or decoupling ExactSizeIterator and DoubleEndedIterator (like in #19395)
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Implement ExactSizeIterator for remaining core Iterators where applicable Stebalien/rust
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@kmcallister @awelkie