How to make the conditional statement in an HTML file using golang?

See more:

Go

controllers.go

type List struct {
	ProductsList []string
	Description  string
	Link         []string
	Success      bool
	Failure      bool
}

func Home(w http.ResponseWriter, r *http.Request) error {
	if r.URL.Path != "/" {
		fmt.Fprintln(w, "404 page not found")
		return nil
	}
	var user List
	for i := 0; i < 35; i++ {
		user.ProductsList = append(user.ProductsList, products.AccessAnotherData(i))
	}
        user = List{
                ProductsList: user.ProductsList,
		Success: true,
		Failure: false,
	}
	if r.Method == "GET" {
		match := database.Get("id1")
		if match {
			RefreshToken(w, r)
			return HomeTmpl.Execute(w, user.Success)
		} else {
			return HomeTmpl.Execute(w, user.Failure)
		}
	} else if r.Method == "POST" {
		...
        // Code for Newsletter
        ...
	}
	return nil
}

Error

can't evaluate field Success in type bool

base.html

{{if .Success}}
    <li>
        <h4><a href="/signout">Sign Out</a></h4>
    </li>
{{end}}
{{if .Failure}}
    <li>
        <h4><a href="/login">Log In</a></h4>
    </li>
{{end}}

What I have tried:

In this code, I am trying to run the conditional statement in the base.html file but I don't know how to make it work. I want if a user signs in then the Sign Out option should be shown. If a user signs out then the Log In option should be shown.