fun startHere() {
  doSomething("Akexorcist", { name ->
    if (!name.contains("Ake")) {
      return // Error : return is not allowed herer
    }
    ...
  })
}
inline fun doSomething(name: String,
                       crossinline block: (name: String) -> Unit) {
  System.out.println("Do something")
  block(name)
  System.out.println("Hello, $name")
}