private static IObservable <TOutput> prependAction <TElement, TInput, TOutput>(this IObservable <TElement> observable, RxAction <TInput, TOutput> action, TInput input)
{
return(observable
.SelectValue(default(TOutput))
.IgnoreElements()
.Concat(
Observable.Defer(() => action.ExecuteWithCompletion(input))
));
}
private static IObservable <TOutput> executeSequentally <TInput, TOutput>(this RxAction <TInput, TOutput> action,
IEnumerable <TInput> inputs)
{
var observables = inputs
.Select(input => Observable.Defer(() => action.ExecuteWithCompletion(input)));
return(Observable.Concat(
observables
));
}