public static ObservableDecimalAverage Create(INotifyEnumerable <decimal> source) { var observable = new ObservableDecimalAverage(source); observable.Successors.SetDummy(); return(observable); }
public static INotifyValue <decimal> CreateDecimalExpression <TSource>(this IEnumerableExpression <TSource> source, Expression <Func <TSource, decimal> > predicate) { return(ObservableDecimalAverage.Create(source.AsNotifiable().Select(predicate))); }