dashing-kingdom-4998

readme.md

dashing-kingdom-4998

Created with <3 with dartpad.dev.

main.dart

class DisposableWCommonV2 {
  Future<Null> onDispose() async {}
}

class DisposableWCommonV3 {
  Future<void> onDispose() async {}
}

class NullTypeOnV2 extends DisposableWCommonV2 {
  @override
  Future<Null> onDispose() async {}
}

class NullTypeOnV3 extends DisposableWCommonV3 {
  @override
  Future<Null> onDispose() async {}
}

class VoidTypeOnV2 extends DisposableWCommonV2 {
  // Invalid override, but would never happen (interface already exists, no one can consume it and type as Future<void>)
//   @override
//   Future<void> onDispose() async {}
}

class VoidTypeOnV3 extends DisposableWCommonV3 {
  @override
  Future<void> onDispose() async {}
}