returning_ null_ for_ future
Avoid returning null for Future.
This rule has been removed as of the latest Dart releases.
NOTE: This rule is removed in Dart 3.3.0; it is no longer functional.
AVOID returning null for Future.
It is almost always wrong to return
null for a
Future. Most of the time the developer simply forgot to put an
async keyword on the function.
To enable the
avoid_returning_null_for_future rule, add
avoid_returning_null_for_future under linter > rules in your