public IDisposable Subscribe(System.IObserver <WeatherInfo> observer)
{
if (!_observers.Contains(observer))
{
_observers.Add(observer);
}
return(new Unsubscriber <WeatherInfo>(_observers, observer));
}
public IDisposable Subscribe(System.IObserver <T> observer)
{
throw new NotImplementedException();
}
public Unsubscriber(IList <System.IObserver <T> > observers, System.IObserver <T> observer)
{
_systemObservers = observers;
_systemObserver = observer;
}
