suspend-fun-scope-problem.kt

suspend fun CoroutineScope.badFoo() {  
  launch {
    delay(1.seconds)
  }
}

fun CoroutineScope.goodFoo() {
  launch {
    delay(1.seconds)
  }
}
 
suspend fun badObserveSignals(): Flow<Unit> {
  val pollingInterval = getPollingInterval() // Done outside of the flow builder block.
  return flow {
    while (true) {
      delay(pollingInterval)
      emit(Unit)
    }
  }
}

fun goodObserveSignals(): Flow<Unit> {
  return flow {
    val pollingInterval = getPollingInterval() // Moved into the flow builder block.
    while (true) {
      delay(pollingInterval)
      emit(Unit)
    }
  }
}