```go import ( "fmt" "github.com/gin-gonic/gin" ) func main() { router := gin.Default() router.GET("/cookie", func(c *gin.Context) { cookie, err := c.Cookie("gin_cookie") if err != nil { cookie = "NotSet" c.SetCookie("gin_cookie", "test", 3600, "/", "localhost", false, true) } fmt.Printf("Cookie value: %s \n", cookie) }) router.Run() } ```