Johnny.cache(Date(), key: "FirstStart")

// The type of the retrived value must be explicitly stated for the compiler.
let date: Date? = Johnny.pull("FirstStart")

Johnny.pull("4KImage") { (value: UIImage?) in

}

Johnny.prefix = localUser.userID

public protocol Storable {
    associatedtype Result
    static func fromData(data: NSData) -> Result?
    func toData() -> NSData
}

let array: [String] = ["Folsom", "Prison", "Blues"]
let stringSet: Set<String> = ["I've", "been", "everywhere"]
// In case of dictionaries, the value must explicitly conform to Storable (so [String: AnyObject] does not work, while [String: Double] does)
let dictionary: [String: String] = ["first": "Solitary", "second": "man"]

Johnny.cache(array, key: "folsom")
Johnny.cache(stringSet, key: "everywhere")
Johnny.cache(dictionary, key: "solitary")

class User {

    enum Badassery: String { case Total }

    var name: String? = "Johnny"
    var uid: Int = 84823682
    var badassery = Badassery.Total
}


extension User: Storable {
typealias Result = User

static func fromData(data: NSData) -> User.Result? {
    let dict = try! NSJSONSerialization.JSONObjectWithData(data, options: NSJSONReadingOptions()) as! [NSObject: AnyObject]

    let user = User()
    user.uid = dict["identification"] as! Int
    user.name = dict["name"] as? String
    user.badassery = Badassery(rawValue: dict["badassery"] as! String)!
    return user
}

func toData() -> NSData {
    let json = ["identification": uid, "name": name, "badasery": badassery.rawValue]
    return try! NSJSONSerialization.dataWithJSONObject(json, options: NSJSONWritingOptions())
    }
}

let johnny: User = User()
Johnny.cache(johnny, key: "John")
let cachedJohn: User = Johnny.pull("John")

pod 'Johnny'