static <A> L<A> sortedByFieldAlphanumIC(Cl<A> c, final S field) {
  L<A> l = new ArrayList(c);
  sort(l, (a, b) -> cmpAlphanumIC(getString(a, field), getString(b, field)));
  ret l;
}

static <A> L<A> mapMethodLike sortedByFieldAlphanumIC(S field, Cl<A> c) {
  ret sortedByFieldAlphanumIC(c, field);
}