doOnDone method
Invokes the given callback function when the stream finishes emitting items. In other implementations, this is called doOnComplete(d).
Example
Stream.fromIterable([1, 2, 3])
.doOnDone(() => print('all set'))
.listen(null); // prints 'all set'
Implementation
Stream<T> doOnDone(void Function() onDone) =>
DoStreamTransformer<T>(onDone: onDone).bind(this);