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)));
}
