main.go

package main

import "fmt"

type Customer struct {
	Name string
}

func main() {
	customers := []*Customer{{Name: "Oss"}}
	copyCustomer := make([]*Customer, len(customers))
	copy(copyCustomer, customers)
	customers[0].Name = "Sotirios"
	if copyCustomer[0].Name != customers[0].Name {
		fmt.Println("cloned")
		return
	}
	fmt.Println("same")
}