static O callAndMake_extended(S code, O... 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);
  Pair<S, L<S>> p = tok_parseFunctionCall(code);
  if (p == null) fail("Can't parse: " + code);
  ret callAndMake(p.a, mapToArray(func(S arg) -> O { callAndMake_extended(arg, args) }, p.b));
}