chore: more amazing stuff

hacks/hacks.go

@@ -0,0 +1,21 @@
+package main
+
+import "fmt"
+
+type User struct {
+	Id       string
+	Password string
+}
+
+func (u User) Format(f fmt.State, verb rune) {
+	//  Put what you want to show on screen
+	f.Write([]byte(fmt.Sprintf("ID: %s", u.Id)))
+}
+
+// If you don't want to display password when you print User
+// Output: User ID: UUID
+
+func main() {
+	user := User{Id: "UUID", Password: "I will not ganna tell you"}
+	fmt.Print("User ", user)
+}