struct Size: Codable {
var width: Int
var height: Int
}
struct Rect: Codable {
var size: Size
}
let rect = Rect(size: Size(
width: 5, height: 10))
//Encoding Binary Data
let encoder = PropertyListEncoder()
encoder.outputFormat = .binary
let data_b = try! encoder.encode(rect)
//Decoding Binary Data
let decoder = PropertyListDecoder()
let rect2 = try! decoder.decode(
Rect.self, from: data_b)
print("rect2 is \(rect2)")