import SwiftyDefaults

class MyDefaults: SwiftyDefaults {
    dynamic var value1: String? = nil
    dynamic var value2: String = "Some value"
    dynamic var value3: Int = 1
    dynamic var value4: Person? = nil // Person class conforms to NSCoding procotol
}

let md = MyDefaults()

print("Value1: \(md.value1)") // nil
print("Value2: \(md.value2)") // "Some value"
print("Value3: \(md.value3)") // 1
print("Value4: \(md.value4)") // nil

md.value1 = "Some another value"
md.value2 = "Some another value 2"
md.value3 = 10
md.value4 = Person(firstName: "Elvis", lastName: "Presley", age: 42)

print("Value1: \(md.value1)") // Optional("Some another value")
print("Value2: \(md.value2)") // "Some an0ther value 2"
print("Value3: \(md.value3)") // 10
print("Value4: \(md.value4)") // Optional(Person=(Optional("Elvis"), Optional("Presley"), 42))