equals method

*<Null safety>*

• @override

bool equals (E e1, E e2) override

Implementation

@override
bool equals(E e1, E e2) {
  for (var eq in _equalities) {
    if (eq.isValidKey(e1)) return eq.isValidKey(e2) && eq.equals(e1, e2);
  }
  return false;
}