sbool startsWithAny(S a, Cl<S> b) {
  fOr (S prefix : b)
    if (startsWith(a, prefix))
      true;
  false;
}

sbool startsWithAny(S a, S... b) {
  if (b != null)
    fOr (S prefix : b)
      if (startsWith(a, prefix))
        true;
  false;
}

ifclass Matches
sbool startsWithAny(S a, Cl<S> b, Matches m) {
  fOr (S prefix : b)
    if (startsWith(a, prefix, m))
      true;
  false;
}
endif

Began life as a copy of #1030624