Listing 2: A real-world situation

enum Sounds {
  // Human sounds in [100, 200[
  explosionSnd = 101,
  attackSnd = 102,
  // ricochetSnd = 103, // removed, beta testers hated it
  deathSnd = 104,
  // Alien sounds in [200, 300[
  alienAttackSnd = 201,
  ...
  alienDeathSnd = 227,
  // Miscellaneous sounds >= 500
  victorySnd = 500
};