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Document optimizations enabled by FusedIterator #55896

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Nov 14, 2018
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Document optimizations enabled by FusedIterator #55896

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2 changes: 1 addition & 1 deletion src/libcore/iter/traits.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -960,7 +960,7 @@ impl<T, U, E> Product<Result<U, E>> for Result<T, E>
///
/// Calling next on a fused iterator that has returned `None` once is guaranteed
/// to return [`None`] again. This trait should be implemented by all iterators
/// that behave this way because it allows for some significant optimizations.
/// that behave this way because it allows optimizing [`Iterator::fuse`].
///
/// Note: In general, you should not use `FusedIterator` in generic bounds if
/// you need a fused iterator. Instead, you should just call [`Iterator::fuse`]
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