*<Null safety>*
bool equals (Iterable<E>? elements1, Iterable<E>? elements2) override
@override bool equals(Iterable<E>? elements1, Iterable<E>? elements2) { if (identical(elements1, elements2)) return true; if (elements1 == null || elements2 == null) return false; var it1 = elements1.iterator; var it2 = elements2.iterator; while (true) { var hasNext = it1.moveNext(); if (hasNext != it2.moveNext()) return false; if (!hasNext) return true; if (!_elementEquality.equals(it1.current, it2.current)) return false; } }