15                 throw Error.ArgumentNull(nameof(source));  in Average()
44                 throw Error.ArgumentNull(nameof(source));  in Average()
81                 throw Error.ArgumentNull(nameof(source));  in Average()
110                 throw Error.ArgumentNull(nameof(source));  in Average()
147                 throw Error.ArgumentNull(nameof(source));  in Average()
173                 throw Error.ArgumentNull(nameof(source));  in Average()
210                 throw Error.ArgumentNull(nameof(source));  in Average()
239                 throw Error.ArgumentNull(nameof(source));  in Average()
276                 throw Error.ArgumentNull(nameof(source));  in Average()
302                 throw Error.ArgumentNull(nameof(source));  in Average()
336                 throw Error.ArgumentNull(nameof(source));  in Average()
341                 throw Error.ArgumentNull(nameof(selector));  in Average()
370                 throw Error.ArgumentNull(nameof(source));  in Average()
375                 throw Error.ArgumentNull(nameof(selector));  in Average()
412                 throw Error.ArgumentNull(nameof(source));  in Average()
417                 throw Error.ArgumentNull(nameof(selector));  in Average()
446                 throw Error.ArgumentNull(nameof(source));  in Average()
451                 throw Error.ArgumentNull(nameof(selector));  in Average()
488                 throw Error.ArgumentNull(nameof(source));  in Average()
493                 throw Error.ArgumentNull(nameof(selector));  in Average()
519                 throw Error.ArgumentNull(nameof(source));  in Average()
524                 throw Error.ArgumentNull(nameof(selector));  in Average()
561                 throw Error.ArgumentNull(nameof(source));  in Average()
566                 throw Error.ArgumentNull(nameof(selector));  in Average()
595                 throw Error.ArgumentNull(nameof(source));  in Average()
600                 throw Error.ArgumentNull(nameof(selector));  in Average()
637                 throw Error.ArgumentNull(nameof(source));  in Average()
642                 throw Error.ArgumentNull(nameof(selector));  in Average()
668                 throw Error.ArgumentNull(nameof(source));  in Average()
673                 throw Error.ArgumentNull(nameof(selector));  in Average()