Swift UITableView reloadData in a closure

Question

I believe I\'m having an issue where my closure is happening on a background thread and my UITableView isn\'t updating fast enough. I am making a call to a REST service and

Answer 1

UIKit isn't thread safe. The UI should only be updated from main thread:

dispatch_async(dispatch_get_main_queue()) {
    self.tableView.reloadData()
}

Update. In Swift 3 and later use:

DispatchQueue.main.async {
    self.tableView.reloadData()
}