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