Actor based simple StateMachine

stateMachine.kt

fun <S : State> CoroutineScope.stateMachine(
    initialState: S,
    inputActionsChannel: ReceiveChannel<Action>,
    outputChannel: SendChannel<S>,
    publishActions: MutableSharedFlow<Action>,
    outputStateFlow: MutableStateFlow<S>,
    reduce: (Action, S) -> S,
) = launch {

    var state = initialState

    inputActionsChannel.consumeEach { action ->

        if (action !is RequestStateAction) {
            state = reduce(action, state)
            outputStateFlow.emit(state)
            publishActions.emit(action)
        } else {
            outputChannel.send(state)
        }
    }
}