Codable additions to UserDefaults

UserDefaultsExtension.swift

extension UserDefaults {
    /// Sets the codable value of the specified key.
    func set<Element: Codable>(_ value: Element, forKey key: String) {
        let data = try? JSONEncoder().encode(value)
        UserDefaults.standard.setValue(data, forKey: key)
    }

    /// Returns the codable value associated with the specified key.
    func codable<Element: Codable>(forKey key: String) -> Element? {
        guard let data = UserDefaults.standard.data(forKey: key) else { return nil }

        let element = try? JSONDecoder().decode(Element.self, from: data)
        return element
    }
}