Comparing a curried and un-curried deselect rows function

curried_deselect.swift

extension UIViewController {

    func rz_smoothlyDeselectRows(tableView tableViewIn: UITableView?) {

        guard let tableView = tableViewIn,
            selectedIndexPaths = tableView.indexPathsForSelectedRows else {
            return
        }

        let deselect = { (tableView: UITableView, animated: Bool) -> ((NSIndexPath) -> ()) in
            return { indexPath in
                tableView.deselectRowAtIndexPath(indexPath, animated: animated)
            }
        }

        let reselect = { (tableView: UITableView, animated: Bool) -> ((NSIndexPath) -> ()) in
            return { indexPath in
                tableView.selectRowAtIndexPath(indexPath, animated: animated, scrollPosition: .None)
            }
        }

        if let coordinator = transitionCoordinator() {
            let animation = { (context: UIViewControllerTransitionCoordinatorContext) in
                selectedIndexPaths.forEach(deselect(tableView, context.isAnimated()))
            }

            let completion = { (context: UIViewControllerTransitionCoordinatorContext) in
                if context.isCancelled() {
                    selectedIndexPaths.forEach(reselect(tableView, false))
                }
            }
            let parentView = parentViewController?.view
            coordinator.animateAlongsideTransitionInView(parentView, animation: animation, completion: completion)
        }
        else {
            selectedIndexPaths.forEach(deselect(tableView, false))
        }
    }

}