removeAll method
Removes each element of elements
from this set.
final characters = <String>{'A', 'B', 'C'};
characters.removeAll({'A', 'B', 'X'});
print(characters); // {C}
Implementation
@override
void removeAll(Iterable<Object?> elements) {
elements.whereType<E>().forEach(removeRx);
super.removeAll(elements);
}