BinaryObserver<TLeft, TRight> sealed class BinaryObserver<TLeft, TRight> : IObserver<Either<Notification<TLeft>, Notification<TRight>>> Documentation Code public IObserver<TLeft> LeftObserver { get; } public IObserver<TRight> RightObserver { get; } public BinaryObserver(IObserver<TLeft> leftObserver, IObserver<TRight> rightObserver) public BinaryObserver(Action<Notification<TLeft>> left, Action<Notification<TRight>> right)