setting up observers

MainView.swift

import UIKit
import Combine

class MoviesTableViewDiffableDataSource: UITableViewDiffableDataSource<String?, Result> {}

class MainView: UIViewController
{
    var cancellables: Set<AnyCancellable> = []

    @IBOutlet weak var searchBar: UISearchBar!
    @IBOutlet weak var tableView: UITableView!
    
    @Published var keyStroke: String = ""
    
    override func viewDidLoad()
    {
        super.viewDidLoad()
        registerCell()
        setupObservers()
    }
}

//MARK: - Observers
extension MainView
{
    func setupObservers()
    {
        // MONITOR search bar textfield keystrokes
        $keyStroke
            .receive(on: RunLoop.main)
            .sink { (keyWordValue) in
                print(keyWordValue)
            }.store(in: &cancellables)
    }
}