toPersistentSet
Returns a persistent set of all elements of this iterable.
If the receiver is already a persistent set, returns it as is. If the receiver is a persistent set builder, calls build on it and returns the result.
Elements of the returned set are iterated in the same order as in this iterable.
Returns a persistent set of all elements of this array.
Elements of the returned set are iterated in the same order as in this array.
Returns a persistent set of all elements of this sequence.
Elements of the returned set are iterated in the same order as in this sequence.
Returns a persistent set of all characters.
Elements of the returned set are iterated in the same order as in this char sequence.