onListen method
void
onListen()
Implementation
void onListen() {
if (_latestWasEagerlyFetched) {
_latestWasEagerlyFetched = false;
// eager results are resolved synchronously,
// so we have to add them manually now that
// the stream is available
if (!controller.isClosed && latestResult != null) {
controller.add(latestResult!);
}
return;
}
if (options.fetchResults) {
fetchResults();
}
}