도래울

print("completionHandler시작") self.callBackTest(param1: "param1") {retStr in print("completionHandler끝 ret : \(retStr)") } print("completionHandler비동기") private func callBackTest(param1 :String ,completionHandler:@escaping (_ ret : String) -> Void) { DispatchQueue.global(qos: .userInitiated).async { print(param1) for i in 0..

Try this:var checked = [Bool]() // Have an array equal to the number of cells in your table func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { let cell = self.tableView.dequeueReusableCellWithIdentifier("cell") as! UITableViewCell //configure you cell here. if !checked[indexPath.row] { cell.accessoryType = .None } else if checked[indexPath.r..