// f: A -> Comparable
static <A> L<A> sortByCalculatedFieldDescInPlace(L<A> l, fO f) {
  ret sortByCalculatedFieldDesc_inPlace(l, f);
}



static <A> L<A> sortByCalculatedFieldDescInPlace(O f, L<A> c) {
  ret sortByCalculatedFieldDesc_inPlace(f, c);
}