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Rollup merge of #81144 - nhwn:typo-map-while, r=jackh726

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Fixed formatting typo in map_while docs

changes `` ` None` `` to ``[`None`]`` for consistency
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Guillaume Gomez 2021-02-03 08:41:22 +01:00 committed by GitHub
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library/core/src/iter/traits/iterator.rs
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@ -1213,7 +1213,7 @@ pub trait Iterator {
/// the iteration should stop, but wasn't placed back into the iterator.
///
/// Note that unlike [`take_while`] this iterator is **not** fused.
/// It is also not specified what this iterator returns after the first` None` is returned.
/// It is also not specified what this iterator returns after the first [`None`] is returned.
/// If you need fused iterator, use [`fuse`].
///
/// [`fuse`]: Iterator::fuse