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Implement last on the GroupBy and GroupByMut Iterators

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Clément Renault 2020-12-10 11:22:29 +01:00
parent e16eaeaa11
commit 005912fce8
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1 changed files with 10 additions and 0 deletions
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library/core/src/slice/iter.rs
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@ -3018,6 +3018,11 @@ where P: FnMut(&T, &T) -> bool,
(1, Some(self.slice.len()))
}
}
#[inline]
fn last(self) -> Option<Self::Item> {
self.next_back()
}
}
#[unstable(feature = "slice_group_by", issue = "0")]
@ -3098,6 +3103,11 @@ where P: FnMut(&T, &T) -> bool,
(1, Some(self.slice.len()))
}
}
#[inline]
fn last(self) -> Option<Self::Item> {
self.next_back()
}
}
#[unstable(feature = "slice_group_by", issue = "0")]