code: func (s *Server) Handle(addr string, handler HandlerFunc) error {
  	if s.Dispatcher == nil {
  		s.Dispatcher = NewOscDispatcher()
  	}
  	return s.Dispatcher.AddMsgHandler(addr, handler)
  }
docs: ////
  // Server
  ////
  // Handle registers a new message handler function for an OSC address. The
  // handler is the function called for incoming OscMessages that match 'address'.