diff options
| -rw-r--r-- | library/alloc/src/collections/btree/map.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/library/alloc/src/collections/btree/map.rs b/library/alloc/src/collections/btree/map.rs index 1f8a1ecba6e..88a25563d7d 100644 --- a/library/alloc/src/collections/btree/map.rs +++ b/library/alloc/src/collections/btree/map.rs @@ -2603,6 +2603,8 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> { /// a.insert(2, "b"); /// a.insert(3, "c"); /// a.insert(4, "c"); + /// let cursor = a.lower_bound(Bound::Included(&2)); + /// assert_eq!(cursor.key(), Some(&2)); /// let cursor = a.lower_bound(Bound::Excluded(&2)); /// assert_eq!(cursor.key(), Some(&3)); /// ``` @@ -2644,6 +2646,8 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> { /// a.insert(2, "b"); /// a.insert(3, "c"); /// a.insert(4, "c"); + /// let cursor = a.lower_bound_mut(Bound::Included(&2)); + /// assert_eq!(cursor.key(), Some(&2)); /// let cursor = a.lower_bound_mut(Bound::Excluded(&2)); /// assert_eq!(cursor.key(), Some(&3)); /// ``` @@ -2698,6 +2702,8 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> { /// a.insert(2, "b"); /// a.insert(3, "c"); /// a.insert(4, "c"); + /// let cursor = a.upper_bound(Bound::Included(&3)); + /// assert_eq!(cursor.key(), Some(&3)); /// let cursor = a.upper_bound(Bound::Excluded(&3)); /// assert_eq!(cursor.key(), Some(&2)); /// ``` @@ -2739,6 +2745,8 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> { /// a.insert(2, "b"); /// a.insert(3, "c"); /// a.insert(4, "c"); + /// let cursor = a.upper_bound_mut(Bound::Included(&3)); + /// assert_eq!(cursor.key(), Some(&3)); /// let cursor = a.upper_bound_mut(Bound::Excluded(&3)); /// assert_eq!(cursor.key(), Some(&2)); /// ``` |