Tips and tricks for naming things in Swift.
Use camelCase.
// Don't
var ViewController: UIViewController?
// Do
var viewController: UIViewController?Do not shorten names.
// Don't
var vc: UIViewController
// Do
var viewController: UIViewControllerName things properly. If it is a LoginViewController – name it accordingly.
// Don't
var vc: UIViewController
// Do
var loginViewController: UIViewController