static L lazyMap(fO f, fL l) {
  ret lazilyMap(f, l);
}

static <A, B> L<B> lazyMap(L<A> l, IF1<A, B> f) {
  ret lazilyMap(f, l);
}

static <A, B> L<B> lambdaMapLike lazyMap(IF1<A, B> f, L<A> l) {
  ret lazilyMap(f, l);
}