Remove ExampleGrace for now to avoid confusion

Author: nhooyr

example_test.go

@@ -160,58 +160,6 @@ func ExampleConn_Ping() {
 	c.Close(websocket.StatusNormalClosure, "")
 }
 
-// This example demonstrates how to create a WebSocket server
-// that gracefully exits when sent a signal.
-//
-// It starts a WebSocket server that keeps every connection open
-// for 10 seconds.
-// If you CTRL+C while a connection is open, it will wait at most 30s
-// for all connections to terminate before shutting down.
-// func ExampleGrace() {
-// 	fn := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-// 		c, err := websocket.Accept(w, r, nil)
-// 		if err != nil {
-// 			log.Println(err)
-// 			return
-// 		}
-// 		defer c.Close(websocket.StatusInternalError, "the sky is falling")
-//
-// 		ctx := c.CloseRead(r.Context())
-// 		select {
-// 		case <-ctx.Done():
-// 		case <-time.After(time.Second * 10):
-// 		}
-//
-// 		c.Close(websocket.StatusNormalClosure, "")
-// 	})
-//
-// 	var g websocket.Grace
-// 	s := &http.Server{
-// 		Handler:      g.Handler(fn),
-// 		ReadTimeout:  time.Second * 15,
-// 		WriteTimeout: time.Second * 15,
-// 	}
-//
-// 	errc := make(chan error, 1)
-// 	go func() {
-// 		errc <- s.ListenAndServe()
-// 	}()
-//
-// 	sigs := make(chan os.Signal, 1)
-// 	signal.Notify(sigs, os.Interrupt)
-// 	select {
-// 	case err := <-errc:
-// 		log.Printf("failed to listen and serve: %v", err)
-// 	case sig := <-sigs:
-// 		log.Printf("terminating: %v", sig)
-// 	}
-//
-// 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
-// 	defer cancel()
-// 	s.Shutdown(ctx)
-// 	g.Shutdown(ctx)
-// }
-
 // This example demonstrates full stack chat with an automated test.
 func Example_fullStackChat() {
 	// https://github.com/nhooyr/websocket/tree/master/examples/chat