const x =
  a.b ??
  ((
    c = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdef",
    d = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdef",
  ) =>
    (e) =>
      0);