copyWith method Null safety

SubscriberUpdateStream copyWith(
  1. {dynamic feed,
  2. dynamic mid,
  3. dynamic crossrefid}
)

Implementation

SubscriberUpdateStream copyWith({
  dynamic feed,
  dynamic mid,
  dynamic crossrefid,
}) {
  return SubscriberUpdateStream(
    feed: feed ?? this.feed,
    mid: mid ?? this.mid,
    crossrefid: crossrefid ?? this.crossrefid,
  );
}