operator == method
Deep equality.
A BuiltSet
is only equal to another BuiltSet
with equal elements in
any order.
Implementation
@override
bool operator ==(Object other) {
if (identical(other, this)) return true;
if (other is! BuiltSet) return false;
if (other.length != length) return false;
if (other.hashCode != hashCode) return false;
return containsAll(other);
}