getDatum abstract method
Subclasses should implement this method to collect a Datum
.
Can return null
if no data is available.
Can return an ErrorDatum if an error occurs.
Implementation
Future<Datum?> getDatum();
Subclasses should implement this method to collect a Datum
.
Can return null
if no data is available.
Can return an ErrorDatum if an error occurs.
Future<Datum?> getDatum();