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Remove erroneous unsafe in BTreeSet::upper_bound_mut

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This commit is contained in:
Pavel Grigorenko 2025-01-22 18:36:33 +03:00
parent b2728d5426
commit bae2a2f3b5
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 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_prev(), Some(&3));
/// assert_eq!(cursor.peek_next(), Some(&4)); /// 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_prev(), Some(&2));
/// assert_eq!(cursor.peek_next(), Some(&3)); /// 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_prev(), Some(&4));
/// assert_eq!(cursor.peek_next(), None); /// assert_eq!(cursor.peek_next(), None);
/// ``` /// ```
#[unstable(feature = "btree_cursors", issue = "107540")] #[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 where
T: Borrow<Q> + Ord, T: Borrow<Q> + Ord,
Q: Ord, Q: Ord,