asFuture<E> method
Returns a future that handles the onDone and onError callbacks.
This method overwrites the existing onDone and onError callbacks with new ones that complete the returned future.
In case of an error the subscription will automatically cancel (even
when it was listening with cancelOnError
set to false
).
In case of a done
event the future completes with the given
futureValue
.
Implementation
Future<E> asFuture<E>([E futureValue]);