+ (OBMutableSet *) setWithCapacity:(ULONG)capacity
Creates and returns a mutable set with the given capacity.
- (void) addObject:(id)object
Adds an object to the set.
- (void) addObjectsFromArray:(OBArray *)array
Adds the objects from an array to the set.
- (OBMutableSet *) initWithCapacity:(ULONG)capacity
Initializes a mutable set with the given capacity.
- (void) intersectSet:(OBSet *)other
Keeps only objects also contained in another set.
- (void) minusSet:(OBSet *)other
Removes objects found in another set.
- (void) removeAllObjects
Removes all objects from the set.
- (void) removeObject:(id)object
Removes an object from the set.
- (void) setSet:(OBSet *)other
Replaces the contents of the set with another set.
- (void) unionSet:(OBSet *)other
Adds the objects from another set to the receiver.