Add dart 2.9 declaration in the main file

The top level file must have this if it imports other files which haven't been converted for null safety.
2025-08-06 15:21:21 +08:00 · 2021-04-14 15:32:01 +02:00
parent 453c721830
commit 604bfbcb7e
1 changed files with 2 additions and 0 deletions
--- a/lib/main.dart
+++ b/lib/main.dart
@ -1,3 +1,5 @@
+// @dart=2.9
+
 import 'dart:async';
 import 'dart:isolate';