static L<Method> allMethods(O o) {
  ret allMethods(_getClass(o));
}

static L<Method> allMethods(Class c) {
  new L<Method> l;
  while (c != null) {
    for (Method m : c.getDeclaredMethods())
      l.add(m);
    c = c.getSuperclass();
  }
  ret l;
}