static async Task CombineLatestAsync()
{
await
AsyncObservable.CombineLatest(
AsyncObservable.Interval(TimeSpan.FromMilliseconds(250)).Take(10).Timestamp(),
AsyncObservable.Interval(TimeSpan.FromMilliseconds(333)).Take(10).Timestamp(),
(x, y) => x.ToString() + ", " + y.ToString()
)
.SubscribeAsync(Print <string>()); // TODO: Use ForEachAsync.
}