3DExample/MovingObject.h:    friend bool operator< (const MovingObject& mo1, const MovingObject& mo2);
BoardGame/board.h:    friend bool operator < (const Board& board1, const Board& board2);
Clock/clock.h:    void operator = (Clock c);
Clock/clock.h:    friend bool operator < (Clock a, Clock b);
Clock/clock.h:    friend bool operator == (Clock a, Clock b);
Clock/clock.h:    friend Clock operator + (Clock a, Clock b);
Clock/clock.h:    friend ostream& operator << (ostream& out, Clock c);
DArray/DArray.h:    friend ostream& operator << (ostream& out, const DArray& darray);
KaTS/car.h:    friend ostream& operator << (ostream& out, const Car& c);
KaTS/car.h:    friend istream& operator >> (istream& out, Car& c);
KaTS/obstacle.h:    friend ostream& operator << (ostream& out, const Obstacle& o);
KaTS/obstacle.h:    friend istream& operator >> (istream& in ,       Obstacle& o);
KaTS/trafficLight.h:    friend ostream& operator << (ostream& out, const TrafficLight& tl);
KaTS/trafficLight.h:    friend istream& operator >> (istream& out, TrafficLight& tl);
List/List.h:    friend ostream& operator << (ostream& out, const List& list);
List/Node.h:    friend ostream& operator << (ostream& out, const Node& node);
List/Node.h:    friend ostream& operator << (ostream& out, const List& list);
Set/set.h:    friend ostream& operator << (ostream& out, Set s);