public override StreamSubscription <T> listen(Action <T> onData,
Action <object, string> onError = null, Action onDone = null, bool cancelOnError = false)
{
//cancelOnError = cancelOnError;
StreamSubscription <T> result = _onListen(_stream, cancelOnError);
result.onData(onData);
result.onError(onError);
result.onDone(onDone);
return(result);
}
public override void onError(Action <object, string> handleError)
{
_source.onError(handleError);
if (handleError == null)
{
_handleError = null;
}
else
{
_handleError = _zone
.registerBinaryCallback((a, b) => {
handleError(a, (string)b);
return(null);
});
}
}