Initializes a newly allocated set with members taken from the specified list of objects.
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
The first object to add to the new set.
A comma-separated list of objects, ending with
nil, to add to the new set. If the same object appears more than once in the list, it is represented only once in the returned set. Each object receives a
retainmessage as it is added to the set
An initialized set containing the objects specified in the parameter list. The returned set might be different than the original receiver.