KhomDrake

suspend fun setupMovies(completion: Continuation<Any?>) {
    val continuation = completion as? SetupMoviesStateMachine 
	    ?: SetupMoviesStateMachine(completion)

    when(continuation.label) {
       0 -> {
          throwOnFailure(continuation.result)
          makeLogin("someValue", "someValue", continuation)
          continuation.label = 1
       }

KhomDrake

suspend fun setupMovies(completion: Continuation<Any?>) {
    val continuation = ..

    when(continuation.label) {
       ..
       3 -> {
          println("Terminou")
          continuation.resume(Unit)
       }
       else -> throw IllegalStateException(...)

KhomDrake

suspend fun setupMovies() {
    val token = makeLogin("someValue", "someValue")
    val movies = loadMovies(token)
    printMovies(movies)
    println("Terminou")
}

KhomDrake

override fun invokeSuspend(result: Any?) {
    this.result = result
    setupMovies(this)
}

KhomDrake

suspend fun setupMovies(completion: Continuation<Any?>) {
    val continuation = completion as? SetupMoviesStateMachine 
	?: SetupMoviesStateMachine(completion)

    when(continuation.label) {
       0 -> {
          makeLogin("someValue", "someValue", continuation)
          continuation.label = 1
       }
       1 -> {

KhomDrake

suspend fun setupMovies(completion: Continuation<Any?>) {
   class SetupMoviesStateMachine(completion: Continuation<Any?>): CoroutineImpl(completion) {
   
      var token: Token? = null
      var movies: List<Movie>? = null

      var result: Any? = null
      var label: Int = 0

      override fun invokeSuspend(result: Any?) {

KhomDrake

suspend fun setupMovies(completion: Continuation<Any?>) {
    when(label) {
      0 -> {
         val token = makeLogin("someValue", "someValue")
      }
      1 -> {
         val movies = loadMovies(token)
      }
      2 -> {
         printMovies(movies)

KhomDrake

suspend fun makeLogin(login: String, password: String): Token {
    // make request
    return Token("akjsdhakjhdkshdakdjhkashdkaj")
}

suspend fun loadMovies(token: Token): List<Movie> {
    // make request with token
    return listOf(Movie("Avengers 1"), Movie("Duna"))
}

KhomDrake

fun <T> Continuation<T>.resume(value: T)

fun <T> Continuation<T>.resumeWithException(exception: Throwable)

KhomDrake

interface Continuation<in T> {
    val context: CoroutineContext
    fun resume(value: T)
    fun resumeWithException(exception: Throwable) 
}