static bool tok_tokenBeforeLonelyReturnValue(LS tok, int i) {
  S t = get(tok, i);
  if (l(t) == 1 && "{};".contains(t) || eq(t, "else")) true;
  if (!eq(t, ")")) false;
  int level = 0;
  while (i > 0) {
    if (eq(tok.get(i), ")")) ++level;
    if (eq(tok.get(i), "(")) --level;
    if (level == 0) ret eq(get(tok, i-2), "if");
    i -= 2;
  }
  false;
}