Article_008 https://nalexn.github.io/separation-of-concerns/

Article_008_SoC_01.swift

class ListViewController: UIViewController {
    
    var items: [Item] = []
    var tableView: UITableView?
    
    override func viewDidLoad() {
        let url = URL(string: "https://api.service.com/list")!
        let request = URLRequest(url: url)
        URLSession.shared.dataTask(with: request) { [weak self] (data, response, error) in
            if let list = try? JSONDecoder().decode([Item].self, from: data ?? Data()) {
                self?.items = list
                self?.tableView?.reloadData()
            }
        }
    }
}