!7

static Map<S, Long> map;

p {
  l_persistentLister();
  map = l_getTreeMap("German words with count");
  print("Map type: " + className(map));
  assertTrue(map << MapInConcept);
  print("Size: " + l(map));
  print("Words: " + sfu(map));
  sleepSeconds(2);
  longMultiSet_add(map, "Hallo");
  print("Words now: " + sfu(map));
}