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