How to use UserDefaults in swift library code example
Example 1: how to fmake sure that data is save in userdefault
UserDefaults.standard.bool(forKey: "Key")
UserDefaults.standard.integer(forKey: "Key")
UserDefaults.standard.string(forKey: "Key")
Example 2: how to fmake sure that data is save in userdefault
if let appDomain = Bundle.main.bundleIdentifier {
UserDefaults.standard.removePersistentDomain(forName: appDomain)
}