Provide default implemenation for Equatable classes conforming to Codable

ComparingCodables.swift

import Foundation

public extension Equatable where Self: Codable {
    static func ==(lhs: Self, rhs: Self) -> Bool {
        lhs.jsonData == rhs.jsonData 
    }
}

public extension Person: Equatable { }

func testEquatingCodables() {
    var aslam = Person(name: "Aslam", age: 24)
    var basith = Person(name: "Basith", age: 24)
    var newPerson = Person(name: "Basith", age: 24)

    print(aslam == basith) // false
    print(basith == newPerson) // true
}

testEquatingCodables()

public extension Encodable {
     public var jsonData: Data? {
        return try? JSONEncoder().encode(self)
    }
}