NSUserDefaults Save Generic Values

NSUserDefaults+Extensions.swift

extension NSUserDefaults {
    static func getSavedValue<T>(key: String) -> T? {
        return NSUserDefaults.standardUserDefaults().objectForKey(key) as? T
    }
    static func setSavedValue<T>(value: T, key: String) {
        NSUserDefaults.standardUserDefaults().setObject(value as? AnyObject, forKey: key)
    }
}

/*
Usage: 
  if let something: Int = NSUserDefaults.getSavedValue("currentLevel") {
            print(something)
        } else {
            NSUserDefaults.setSavedValue(10, key: "currentLevel")
        }
        
        if let somethingString: String = NSUserDefaults.getSavedValue("currentLevelString") {
            print(somethingString)
        } else {
            NSUserDefaults.setSavedValue("Some String", key: "currentLevelString")
        }
*/