func WithNotFoundHandler(h func(w http.ResponseWriter, r *http.Request)) Option {
	return func(s *server) {
		s.router.NotFoundHandler = h
	}
}
// WithNotFoundHandler sets the server's not found handler.
WithNotFoundHandler sets the server's not found handler.
// WithNotFoundHandler sets the server ' s not found handler .
func WithNotFoundHandler(h func(w http.ResponseWriter, r *http.Request)) Option {
	return func(s *server) {
		s.router.NotFoundHandler = h
	}
}
func WithNotFoundHandler ( h func ( w http . ResponseWriter , r * http . Request ) ) Option { return func ( s * server ) { s . router . NotFoundHandler = h } }
WithNotFoundHandler sets the server's not found handler.
WithNotFoundHandler sets the server ' s not found handler .