public static IAsyncObservable <Double> Average(this IAsyncObservable <Double> source)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
return(Create <Double>(observer => source.SubscribeSafeAsync(AsyncObserver.AverageDouble(observer))));
}
public static IAsyncObservable <Double> Average <TSource>(this IAsyncObservable <TSource> source, Func <TSource, Task <Double> > selector)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (selector == null)
{
throw new ArgumentNullException(nameof(selector));
}
return(Create <Double>(observer => source.SubscribeSafeAsync(AsyncObserver.AverageDouble(observer, selector))));
}
