!7

static SimpleLiveValue<S> output = new(S);
static Map<Class, Bool> hasUpdateMethod = weakHashMap();
static Method baseMethod;

static JComponent visualize() {
  ret centerLabel(makeBold(setFontSize(40, jLiveValueLabel(output))));
}

p {
  baseMethod = findInstanceMethod(getClass(creator(), 'main$Module), 'update);
}

svoid update {
  L modules = cast call(creator(), 'onModules);
  int count = 0;
  for (O m : modules) {
    Class c = m.getClass();
    Bool hasUpdate = hasUpdateMethod.get(c);
    if (hasUpdate == null)
      hasUpdateMethod.put(c,
        hasUpdate = findMethod(m, 'update) != baseMethod);
    if (hasUpdate) ++count;
  }
  output.set(str(count));
}