static O callAndMake_extended(S code, fO... args) {
  if (code == null) null;
  code = trim(code);
  if (isQuoted(code)) ret unquote(code);
  if (isInteger(code)) ret parseInt(code);
  if (isIdentifier(code))
    ret eq(code, "x") ? first(args) : callAndMake(code, args);
  L<S> tok = javaTok(code);
  if (lCodeTokens(tok) == 4 && eq(second(tok), "f") && isIdentifier(get(tok, 3)) && eq("/", get(tok, 5)))
    if (eq("1", get(tok, 7)))
      ret standardFunctionReference_1(get(tok, 3));
    else if (eq("2", get(tok, 7)))
      ret standardFunctionReference_2(get(tok, 3));
  Pair<S, L<S>> p = tok_parseFunctionCall(tok);
  if (p == null) fail("Can't parse: " + code);
  ret callAndMake(p.a, map_toArray(func(S arg) -> O { callAndMake_extended(arg, args) }, p.b));
}