Example1.kt

// A state model for Login screen
data class LoginState(
  val isLoading: Boolean = false,
  val loggedInUser: User? = null
  val error: String? = null
)

class LoginViewModel(...) : ViewModel() {
  // Individual state flows
  private val isLoading = MutableStateFlow(false)
  private val loggedInUser = MutableStateFlow<User?>(null)
  private val error = MutableStateFlow<String?>(null)

  // Combining these states to form a LoginState
  val state: StateFlow<LoginState> = combine(isLoading, loggedInUser, error) { loading, user, errorMessage ->
    LoginState(loading, user, errorMessage)
  }.stateIn(viewModelScope, WhileObserved(), initialValue = LoginState())
}