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Rollup merge of #135883 - GrigorenkoPV:btree_set_upper_bound_mut, r=tgross35

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Remove erroneous `unsafe` in `BTreeSet::upper_bound_mut`

https://github.com/rust-lang/rust/pull/128309#discussion_r1921097773

Tracking issue: https://github.com/rust-lang/rust/issues/107540
This commit is contained in:
Matthias Krüger 2025-01-23 09:49:27 +01:00 • committed by GitHub
commit d1cfd39362
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1 changed files with 4 additions and 4 deletions
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8
library/alloc/src/collections/btree/set.rs
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@ -1442,20 +1442,20 @@ impl<T, A: Allocator + Clone> BTreeSet<T, A> {
///
/// let mut set = BTreeSet::from([1, 2, 3, 4]);
///
/// let mut cursor = unsafe { set.upper_bound_mut(Bound::Included(&3)) };
/// let mut cursor = set.upper_bound_mut(Bound::Included(&3));
/// assert_eq!(cursor.peek_prev(), Some(&3));
/// assert_eq!(cursor.peek_next(), Some(&4));
///
/// let mut cursor = unsafe { set.upper_bound_mut(Bound::Excluded(&3)) };
/// let mut cursor = set.upper_bound_mut(Bound::Excluded(&3));
/// assert_eq!(cursor.peek_prev(), Some(&2));
/// assert_eq!(cursor.peek_next(), Some(&3));
///
/// let mut cursor = unsafe { set.upper_bound_mut(Bound::Unbounded) };
/// let mut cursor = set.upper_bound_mut(Bound::Unbounded);
/// assert_eq!(cursor.peek_prev(), Some(&4));
/// assert_eq!(cursor.peek_next(), None);
/// ```
#[unstable(feature = "btree_cursors", issue = "107540")]
pub unsafe fn upper_bound_mut<Q: ?Sized>(&mut self, bound: Bound<&Q>) -> CursorMut<'_, T, A>
pub fn upper_bound_mut<Q: ?Sized>(&mut self, bound: Bound<&Q>) -> CursorMut<'_, T, A>
where
T: Borrow<Q> + Ord,
Q: Ord,