snaewe

 void set_result(optional<error_code>* a, error_code b) 
  { 
    a->reset(b); 
  } 
  template <typename MutableBufferSequence> 
  void read_with_timeout(tcp::socket& sock, 
      const MutableBufferSequence& buffers) 
  { 
    optional<error_code> timer_result; 
    deadline_timer timer(sock.io_service());