message: Mark RobotPool member functions as const
diff: @@ -42,9 +42,9 @@ public:
  void erase(Robot* robot);
  bool insertRobotIntoTable(RobotTileTable& robotMap, Robot* robot, Tile* tile);
  - uint32_t robotControlMax() { return mRobotControlMax; }
  - uint32_t currentControlCount() { return mRobotControlCount; }
  - uint32_t availableControlCount() { return robotControlMax() - currentControlCount(); }
  + uint32_t robotControlMax() const { return mRobotControlMax; }
  + uint32_t currentControlCount() const { return mRobotControlCount; }
  + uint32_t availableControlCount() const { return robotControlMax() - currentControlCount(); }
  const RobotList& robots() const { return mRobots; }
  