can you use a primitive or inbuild data types as a method in golang

i wanna know if we are able to use inbuild data types as a method for a func in golang, cause whenever I use it as such, it shows an error

You can define methods on built-in types by first wrapping them with your own types, like this:

type MyInteger int
func (my MyInteger) Tell() {
	fmt.Println("I'm MyInteger with value", my)
}
func main() {
	var my MyInteger = 42
	my.Tell()
}

You can try this on the Go Playground, it will print:

I'm MyInteger with value 42

This can be useful if you want to make a built-in type implement an interface. For example, here's how MyInteger would implement the fmt.Stringer interface:

type MyInteger int
func (my MyInteger) String() string {
	return "MyInteger " + strconv.Itoa(int(my))
}
func main() {
	var my MyInteger = 42
	fmt.Println(my)
}