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在测试新的 Codable 如何与 NSCoding 交互时，我使用包含 Codable 结构的 Class 进行了涉及 NSCoding 的操场测试。丝毫

struct Unward: Codable {
    var id: Int
    var job: String
}

class Akward: NSObject, NSCoding {

    var name: String
    var more: Unward

    init(name: String, more: Unward) {
        self.name = name
        self.more = more
    }

    func encode(with aCoder: NSCoder) {
        aCoder.encode(name, forKey: "name")
        aCoder.encode(more, forKey: "more")
    }

    required init?(coder aDecoder: NSCoder) {
        name = aDecoder.decodeObject(forKey: "name") as? String ?? ""
        more = aDecoder.decodeObject(forKey: "more") as? Unward ?? Unward(id: -1, job: …