delete a row in table view in swift

Question

I am trying to delete a row in table view. I have implemented the required methods but when i am swiping the row horizontally no delete button is coming. I have searched and I h

Answer 1

func tableView(tableView: UITableView, canEditRowAtIndexPath indexPath: NSIndexPath) -> Bool 
{
return true
}

func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) 
 {
 if editingStyle == .Delete 
 {
    carsArray.removeAtIndex(indexPath.row) 
    self.tableView.reloadData()   
 }
 }