Initializes a newly allocated set with the objects that are contained in a given array, optionally copying the items.
- iOS 5.0+
- macOS 10.7+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
An array of objects to add to the new set.
If the same object appears more than once in array, it is represented only once in the returned ordered set.
truethe objects are copied to the ordered set; otherwise
An initialized ordered set containing a uniqued collection of the objects contained in the array.