TableView swift playground

TableView.swift

import UIKit
import XCPlayground

//For more info, visit: http://blog.human-friendly.com/swift-2-xcode-7-gm-at-least-generic-support-for-at-objc-protocols

func reloadTableView(tableView: UITableView, dataSource: GenericTVCDatasource<String>, data: [String]) -> UITableView {
    dataSource.reload(data)
    tableView.reloadData()
    return tableView
}

//class GenericTVCDelegate<A>: NSObject, UITableViewDelegate {
class GenericTVCDelegate: NSObject, UITableViewDelegate {
    @objc func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
        print("selected row: \(indexPath.row)")
    }
}

class GenericTVCDatasource<A> : NSObject, UITableViewDataSource {
    var cellCreator: A->UITableViewCell
    var data: [A]
    init(cellCreator: A->UITableViewCell, data:[A]) {
        self.cellCreator = cellCreator
        self.data = data
    }
    //}
    
    //extension GenericTVCDelegate : UITableViewDataSource {
    @objc func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
        return cellCreator(data[indexPath.row])
    }
    
    @objc func numberOfSectionsInTableView(tableView: UITableView) -> Int {
        return 1
    }
    @objc func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return data.count
    }
    
    func reload(data: [A]) {
        self.data = data
    }
}

func simpleCellCreator(s: String) -> UITableViewCell {
    let cell = UITableViewCell(style: .Subtitle, reuseIdentifier: "text")
    //let cell = UITableViewCell(frame: CGRectZero)
    cell.textLabel?.text = s
    cell.detailTextLabel?.text = "test"
    cell.detailTextLabel?.textColor = UIColor.redColor()
    return cell
}

var strings = ["ba", "da", "bing"]
let datasource = GenericTVCDatasource(cellCreator: simpleCellCreator, data: strings)
let delegate = GenericTVCDelegate()

let tableView = UITableView(frame: CGRect(x: 0, y: 0, width: 200, height: 400), style: .Plain)
tableView.dataSource = datasource
tableView.delegate = delegate
reloadTableView(tableView, dataSource: datasource, data: strings)

strings.append("more")
strings.append("one more")

reloadTableView(tableView, dataSource: datasource, data: strings)

//XCPShowView("Playground VC", view: tableView)
//XCPlaygroundPage.captureValue(tableView)
let view = UIView(frame: CGRectMake(0, 0, 200, 100))
view.backgroundColor = UIColor.redColor()


//Choose View > Assistant Editor > Show Assistant Editor
XCPlaygroundPage.currentPage.captureValue(view, withIdentifier: "red view")
XCPlaygroundPage.currentPage.captureValue(view.backgroundColor, withIdentifier: "red color")
XCPlaygroundPage.currentPage.captureValue(view.frame, withIdentifier: "frame view")
XCPlaygroundPage.currentPage.captureValue(tableView, withIdentifier: "tableView")

//XCPlaygroundPage.currentPage.liveView = tableView
//XCPlaygroundPage.currentPage.needsIndefiniteExecution = true

You missed import XCPlayground