final class ProfileViewModel1 { enum State { ... } var state: State = .idle let service: UserService init(service: UserService) { ... } func onBackPress() { // view deinit } func loadUser() { state = .loading Task { [weak self] guard let self else { return } do { let user = try await self.service.fetchUser() self.state = .loaded(user) } catch { self.state = .failed(error.localizedDescription) } } } }