setValue:forKey: on each of the set’s members.
- iOS 2.0+
- macOS 10.4+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
The value for the property identified by
The name of one of the properties of the set's members.
Returns a Boolean value that indicates whether every object in the receiving set is also present in another given set.
Returns a Boolean value that indicates whether at least one object in the receiving set is also present in another given set.
Return a set containing the results of invoking
valueForKey: on each of the receiving set's members.