FastImmediateObserver<T> sealed class FastImmediateObserver<T> : IScheduledObserver<T>, IObserver<T>, IDisposable Documentation Code public FastImmediateObserver(IObserver<T> observer) public void Dispose() public void EnsureActive() public void EnsureActive(int count) public void OnCompleted() public void OnError(Exception error) public void OnNext(T value)