Flutter साठी हलके स्टेट मॅनेजमेंट सोल्यूशन.

class UserProvider extends AsyncProvider<User?> {
  UserProvider() : super.args(null);

  late final renameMut = mutation<void>(#rename);

  Call<void, AsyncValue<User?>> rename(String name) => mutate(
    renameMut,
    (ref) async {
      final api = ref.watch(apiProvider);
      await api.rename(name);
      ref.state = AsyncData(await api.me());
    },
    concurrency: Concurrency.restart,
  );
}

// UI
await ref.invoke(userProvider.rename('Alice'));