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Clarify short-circuiting behvaior of Iterator::zip. #52477

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Jul 19, 2018
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Clarify short-circuiting behvaior of Iterator::zip. #52477

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4 changes: 3 additions & 1 deletion src/libcore/iter/iterator.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -384,7 +384,9 @@ pub trait Iterator {
///
/// In other words, it zips two iterators together, into a single one.
///
/// If either iterator returns [`None`], [`next`] will return [`None`].
/// If either iterator returns [`None`], [`next`] from the zipped iterator
/// will return [`None`]. If the first iterator returns [`None`], `zip` will
/// short-circuit and `next` will not be called on the second iterator.
///
/// # Examples
///
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