Alexandre Ardhuin 0fb84e96c7 Prefer void to null (#22977) ...

* Future<void> main

* Future<void>.delayed

* prefer_void_to_Null

* address review comments

2018-10-16 22:03:06 +02:00

..

main.dart

Prefer void to null (#22977)

2018-10-16 22:03:06 +02:00