//?SetupWebsockets?prepares?the?websocket?server.
func?(b?*Bootstrapper)?SetupWebsockets(endpoint?string,?onConnection?websocket.ConnectionFunc)?{
???ws?:=?websocket.New(websocket.Config{})
???ws.OnConnection(onConnection)

???b.Get(endpoint,?ws.Handler())
???b.Any("/iris-ws.js",?func(ctx?iris.Context)?{
??????ctx.Write(websocket.ClientSource)
???})
}

bootstrapper.go這個文件 71行 報錯 找不到

websocket?ConnectionFunc?這個類型?我是初學者?希望老師解答一下?謝謝