@annotation unit {
  string value;
};

@annotation range {
  double min;
  double max;
};

@annotation min {
  long value;
};

@annotation max {
  long value;
};

@annotation key {
};

module test {

   @unit("deg")
   @range(min=0.0, max=360.0)
   typedef float angle_t;

   @unit("degC") @min(-60) @max(100) typedef short temperature_t;

   struct structure {
      @key unsigned long key;
      angle_t degrees;
      temperature_t celsius;
   };

};