Representing pointer values as emoji can be useful for "visually" debugging certain issues, like cell reuse, etc.

console.txt

DEBUG: populating cell 0x00007fa2ec02e800 🏢
DEBUG: populating cell 0x00007fa2ec018a00 🌥
DEBUG: populating cell 0x00007fa2eb005000 🎒
DEBUG: populating cell 0x00007fa2ec018a00 🌥
DEBUG: populating cell 0x00007fa2ec02e800 🏢
DEBUG: populating cell 0x00007fa2ec032c00 🌩
DEBUG: populating cell 0x00007fa2ec030600 🏂
DEBUG: populating cell 0x00007fa2ec033200 🎃
DEBUG: populating cell 0x00007fa2e98b2000 🍜
DEBUG: populating cell 0x00007fa2e9815600 🍢
DEBUG: populating cell 0x00007fa2e98b3000 🍛
DEBUG: populating cell 0x00007fa2e98b3600 🎵
DEBUG: populating cell 0x00007fa2e9883000 🎋
DEBUG: populating cell 0x00007fa2e9883600 🏥
DEBUG: populating cell 0x00007fa2e9881000 🎍
DEBUG: populating cell 0x00007fa2e9883600 🏥
DEBUG: populating cell 0x00007fa2e9883000 🎋
DEBUG: populating cell 0x00007fa2e98b3600 🎵
DEBUG: populating cell 0x00007fa2e9815600 🍢
DEBUG: populating cell 0x00007fa2e98b3000 🍛
DEBUG: populating cell 0x00007fa2e98b2000 🍜
DEBUG: populating cell 0x00007fa2ec033200 🎃
DEBUG: populating cell 0x00007fa2ec030600 🏂
DEBUG: populating cell 0x00007fa2ec032c00 🌩
DEBUG: populating cell 0x00007fa2ec02e800 🏢
DEBUG: populating cell 0x00007fa2ec018a00 🌥

EmojiPointersDemo.swift

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

        let window = UIWindow(frame: UIScreen.main.bounds)
        window.makeKeyAndVisible()
        window.rootViewController = ViewController()
        self.window = window

        return true
    }
}

class ViewController: UITableViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        self.tableView.register(UITableViewCell.self, forCellReuseIdentifier: "\(UITableViewCell.self)")
    }

    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "\(UITableViewCell.self)", for: indexPath)
        print("DEBUG: populating cell \(cell.asPointer) \(cell.asPointer.asEmoji)")
        cell.textLabel?.text = "\(indexPath) \(cell.asPointer.asEmoji)"
        return cell
    }

    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 100
    }
}

extension NSObject {
    public var asPointer: UnsafeMutableRawPointer {
        return Unmanaged.passUnretained(self).toOpaque()
    }
}

extension UnsafeMutableRawPointer {
    public var asEmoji: String {
        // Adapted from https://gist.github.com/iandundas/59303ab6fd443b5eec39
        // Tweak the range to your liking.
        //let range = 0x1F600...0x1F64F
        let range = 0x1F300...0x1F3F0
        let index = (self.hashValue % range.count)
        let ord = range.lowerBound + index
        guard let scalar = UnicodeScalar(ord) else {
            return "❓"
        }
        return String(scalar)
    }
}