sbool hasIntRangesLongerThan(final int threshold, L<IntRange> l) {
  for (IntRange r : unnull(l))
    if (r.length() >= threshold) true;
  false;
}

sbool intRangesLongerThan(L<IntRange> l, int threshold) {
  ret hasIntRangesLongerThan(threshold, l);
}