public void RemoveObserver(ICustomPullObserver <VegetableMarketPrice> pushObserver) { _priceObservers.Remove(pushObserver); }
public void AddObserver(ICustomPullObserver <VegetableMarketPrice> pushObserver) { _priceObservers.Add(pushObserver); }
public void RemoveObserver(ICustomPullObserver <VegetableMarketPrice> pushObserver) { _priceObservers.Remove(pushObserver); }
public void AddObserver(ICustomPullObserver <VegetableMarketPrice> pushObserver) { _priceObservers.Add(pushObserver); }