const short x1 = 1;
  const long x2 = 2;
  const unsigned short x3 = 3;
  const float x4 = 4.0;
  const double x5 = 5.0;
  const char x6 = 'A';
  const bool x7 = true;
  //can't do this:  const octet x8 = 255;   

  enum alpha {a, b, c} beta = b;