public static ObservableIntAverage Create(INotifyEnumerable <int> source)
{
var observable = new ObservableIntAverage(source);
observable.Successors.SetDummy();
return(observable);
}
public static INotifyValue <double> CreateIntExpression <TSource>(IEnumerableExpression <TSource> source, Expression <Func <TSource, int> > selector)
{
return(ObservableIntAverage.Create(source.AsNotifiable().Select(selector)));
}