reading a family without the key

main.dart

final todosFamily = ProviderFamily<Todo, int>((ref, id) {
  return Todo(
    id: '$id',
    description: 'Todo $id',
  );
});

final currentTodo = Provider<Todo>((ref) => null);

class List extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return ListView.builder(
      itemBuilder: (context, index) {
        return ProviderScope(
          overrides: [
            currentTodo.overrideAs(
              Provider((ref) => ref.read(todosFamily(index))),
            ),
          ],
          child: Item(),
        );
      },
    );
  }
}

class Item extends HookWidget {
  @override
  Widget build(BuildContext context) {
    final todo = useProvider(currentTodo);
    return Text(todo.description);
  }
}