differenceFrom method
Returns a set of elements that are unique to this iterable compared to other
.
Example:
Iterable<int?>? numbers = [1, 2, 3];
print(numbers.differenceFrom([2, 3, 4])); // Output: {1}
Implementation
Iterable<T> differenceFrom(Iterable<T> other) =>
validate().toSet().difference(other.toSet());