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

Select

Observable.Select()
Observable.Select<TSource, TResult>(IObservable<TSource>, Func<TSource, Int32, TResult>)
Qbservable.Select()
Qbservable.Select<TSource, TResult>(IQbservable<TSource>, Expression<Func<TSource, Int32, TResult>>)