Other upgraders? about websocket HOT 3 CLOSED

var upgrader = websocket.FastHTTPUpgrader{}

func example(ctx *fasthttp.RequestCtx) {
	err := upgrader.Upgrade(ctx, func(ws *websocket.Conn) {
		defer ws.Close()
		// .... your code
	})

	if err != nil {
		if _, ok := err.(websocket.HandshakeError); ok {
			log.Println(err)
		}
		return
	}
}