assignAll method
Replaces all existing items of this set with items.
Implementation
void assignAll(Iterable<E> items) {
if (this is RxSet<E>) {
(this as RxSet<E>)._assignAll(items);
} else {
if (identical(this, items)) return;
final nextItems = List<E>.of(items);
clear();
addAll(nextItems);
}
}