Yes but the problem is doing this with generics. :) That’s where I got stuck and I don’t think it’s possible. > On Dec 2, 2016, at 4:58 AM, Sven Barth <pascaldragon at googlemail.com> wrote: > > I've attached an example that shows how this *can* be done (it's not the > only way to do this however). Regards, Ryan Joseph