// works on lists and strings and null

static int indexOfIgnoreCase(L<S> a, S b) {
  ret indexOfIgnoreCase(a, b, 0);
}

static int indexOfIgnoreCase(L<S> a, S b, int i) {
  int n = a == null ? 0 : a.size();
  for (; i < n; i++)
    if (eqic(a.get(i), b)) ret i;
  ret -1;
}

static int indexOfIgnoreCase(S[] a, S b, int i default 0) {
  int n = a == null ? 0 : a.length;
  for (; i < n; i++)
    if (eqic(a[i], b)) ret i;
  ret -1;
}

static int indexOfIgnoreCase(S a, S b) {
  ret indexOfIgnoreCase_manual(a, b);
  /*Matcher m = Pattern.compile(b, Pattern.CASE_INSENSITIVE + Pattern.LITERAL).matcher(a);
  if (m.find()) return m.start(); else ret -1;*/
}

static int indexOfIgnoreCase(S a, S b, int i) {
  ret indexOfIgnoreCase_manual(a, b, i);
}