28 struct Packet {  struct
81   Packet();  argument
82   Packet(Packet&& b);
83   ~Packet();
89   Packet Clone() const;
91   Packet& operator=(Packet&& b);  argument
98   bool operator==(const Packet& rhs) const {
103   bool operator!=(const Packet& rhs) const { return !operator==(rhs); }
104   bool operator<(const Packet& rhs) const {
117   bool operator>(const Packet& rhs) const { return rhs.operator<(*this); }
118   bool operator<=(const Packet& rhs) const { return !operator>(rhs); }
119   bool operator>=(const Packet& rhs) const { return !operator<(rhs); }
125 typedef std::list<Packet> PacketList;  argument