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Person.swift
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Person.swift
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import UIKit
// adopt secure coding for iOS 12
class Person: NSObject, NSSecureCoding {
static var supportsSecureCoding: Bool { return true }
var firstName : String
var lastName : String
override var description : String {
return self.firstName + " " + self.lastName
}
init(firstName:String, lastName:String) {
self.firstName = firstName
self.lastName = lastName
super.init()
}
func encode(with coder: NSCoder) {
// do not call super in this case
coder.encode(self.lastName, forKey: "last")
coder.encode(self.firstName, forKey: "first")
}
required init(coder: NSCoder) {
self.lastName = coder.decodeObject(of: NSString.self, forKey:"last")! as String
self.firstName = coder.decodeObject(of: NSString.self, forKey:"first")! as String
// do not call super init(coder:) in this case
super.init()
}
}
// but in Swift 4 we are more likely to do it this way
class Person2: NSObject, Codable {
var firstName : String
var lastName : String
override var description : String {
return self.firstName + " " + self.lastName
}
init(firstName:String, lastName:String) {
self.firstName = firstName
self.lastName = lastName
super.init()
}
}