Swift: is it possible to use generic and storyboard for UIViewController

Question

let's say, I have UIViewController subclass:

class InformationServiceMenuVC <T : InformationServiceItemProtocol>: UITableViewController {

}

normally I can create instance of view controller by calling something like:

let vc = InformationServiceSideMenuVC<InformationServiceMenuItem>()

but how do I pass needed generic type when use storyboard?

Answer 1

Create a concrete class that inherits from the generic class:

class SpecificInformationServiceMenuVC : InformationServiceMenuVC<Specific> {}

Then you can use the specific subclass as your class type in storyboard.

It might even work to just make a typealias:

typealias SpecificInformationServiceMenuVC = InformationServiceMenuVC<Specific>

Answer 2

In Swift 3.0.1, I was able to refactor from this:

class TagPickerViewController: BaseViewController, HasAppController {
}
extension TagPickerViewController: UITableViewDelegate {
}

to:

class TagPickerViewControllerGeneric<TagViewModelClass: TagPickerViewModel>
    : BaseViewController {
}
class TagPickerViewController: TagPickerViewControllerGeneric<TagPickerViewModel>, 
    HasAppController, UITableViewDelegate {
}

While keeping TagPickerViewController in storyboard/xib. Hope it helps