zealous-flash-8405

readme.md

zealous-flash-8405

Created with <3 with dartpad.dev.

main.dart

import 'dart:async';

void main() {
  D().dispose();
}

abstract class A {
  FutureOr<void> dispose();
}

abstract class B {
  @override
  Future<void> dispose() async {
    print('B');
  }
}

mixin C on B {
  @override
  Future<void> dispose() async {
    print('C');
    super.dispose();
  }
}

class D extends B with C {
  @override
  Future<void> dispose() async {
    print('D');
    super.dispose();
  }
}