TableViewDataSource in SourcesTableViewController

.swift

class SourcesTableViewController : UITableViewController {
    
    
    private var webservice :Webservice!
    private var sourceListViewModel :SourceListViewModel!
    private var dataSource :TableViewDataSource<SourceTableViewCell,SourceViewModel>! 
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        updateUI()
    }
       
    private func updateUI() {
        
        self.webservice = Webservice()
        self.sourceListViewModel = SourceListViewModel(webservice: self.webservice)
        
        // setting up the bindings
        self.sourceListViewModel.bindToSourceViewModels = {
            self.updateDataSource()
        }
    }
    
    private func updateDataSource() {
        
        self.dataSource = TableViewDataSource(cellIdentifier: Cells.source, items: self.sourceListViewModel.sourceViewModels) { cell, vm in
            
            cell.nameLabel.text = vm.name
            cell.descriptionLabel.text = vm.body
        }
        
        self.tableView.dataSource = self.dataSource
        self.tableView.reloadData()
    }