/** First prints "one dish", then "two dish" */
fun printRxJavaStuff() {
  Observable.from(asList("one fish", "two fish", "red fish", "blue fish"))
  .filter { it.contains("one") || it.contains("two") }
  .map { it.replace("fish", "dish") }
  .subscribe( { Timber.v(s) } ) // First prints "one dish", then "two dish"
}