The recording of the first ever ReactiveUI virtual conference is available on our YouTube Channel.

Groupby

Observable.GroupBy()
Observable.GroupBy<TSource, TKey, TElement>(IObservable<TSource>, Func<TSource, TKey>, Func<TSource, TElement>, IEqualityComparer<TKey>)
Qbservable.GroupBy()
Qbservable.GroupBy<TSource, TKey, TElement>(IQbservable<TSource>, Expression<Func<TSource, TKey>>, Expression<Func<TSource, TElement>>)