CodableNSCodingPlayground.swift

import Foundation

struct Person: Codable {
    let name: String
}

let person = Person(name: "Soroush")

let archiver = NSKeyedArchiver(forWritingWith: NSMutableData())

try archiver.encodeEncodable(person, forKey: "person")

let data = archiver.encodedData

let unarchiver = NSKeyedUnarchiver(forReadingWith: data)

let person2 = unarchiver.decodeDecodable(Person.self, forKey: "person")

person2?.name