Turbine example viewmodel with multiple states

TurbineMultiStateViewModel.kt

@HiltViewModel
class ExampleViewModel @Inject constructor(
    private val computationRepo: HeavyComputationTemplate,
) : ViewModel() {

    private val _vmState: MutableStateFlow<VmState> = MutableStateFlow(VmState.Waiting)
    val vmState = _vmState.asStateFlow()
    
    // duplicate StateFlow to track
    private val _secondVmState: MutableStateFlow<VmState> = MutableStateFlow(VmState.Waiting)
    val secondVmState = _secondVmState.asStateFlow()

    fun onEvent(event: VmEvents): Job = when (event) {
        VmEvents.OnLaunch -> onLaunch()
    }

    private fun onLaunch() = viewModelScope.launch(Dispatchers.Main) {
        // running the jobs asynchronously 
        awaitAll(
            async { processFirstTask() },
            async { processSecondTask() }
        )
    }

    private suspend fun processFirstTask() {
        _vmState.value = VmState.Running
        val result = computationRepo.doComputation()
        _vmState.value = VmState.Finished(result)
        _vmState.value = VmState.Waiting
    }

    private suspend fun processSecondTask() {
        _secondVmState.value = VmState.Running
        val result = computationRepo.doComputation()
        _secondVmState.value = VmState.Finished(result)
        _secondVmState.value = VmState.Waiting
    }

}