doOnError method
- Function onError
Invokes the given callback function when the stream emits an error.
Example
new Observable.error(new Exception())
.doOnError((error, stacktrace) => print("oh no"))
.listen(null); // prints "Oh no"
Implementation
Observable<T> doOnError(Function onError) =>
transform(DoStreamTransformer<T>(onError: onError));