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@nicklockwood
nicklockwood / CodableVersioning.swift
Last active January 29, 2024 11:31
Example demonstrating how to use versioning for Codable structs
// This gist demonstrates how you can implement versioning for a Codable struct to support loading
// old serialized data after changing the structure. Notable features of this solution:
//
// * No need to make new properties optional, or to perform post-processing on the struct after
// loading in ordeer to populate missing values
// * No need to change the call site - from the outside this struct behaves just the same
// as if we had implemented codable directly in the normal way.
// * Versioning can be applied individually to parents or leaves in a larger tree of
// structs without affecting the other elements
// * This approach will work even if the original struct was not designed with versioning in mind
@kylehowells
kylehowells / FreeSpaceViewController.swift
Created May 4, 2022 23:24
UIViewController subclass to show both the Settings app displayed free space, and the real free space.
//
// FreeSpaceViewController.swift
// Free Space
//
// Created by Kyle Howells on 04/05/2022.
//
import UIKit
class FreeSpaceViewController: UIViewController {