private void AddOptionsTo(IMenu menu, params IMenuOption <IMenuItem>[] menuOptions)
{
foreach (var menuOption in menuOptions)
{
switch (menuOption)
{
case IMenuOption <IMenu> subMenu:
menu.AddOptions(subMenu);
break;
case IMenuOption <IMenuFunc> menuFunc:
menu.AddOptions(menuFunc);
break;
case null:
throw new ArgumentNullException(nameof(menuOption));
default:
throw new InvalidOperationException($"{nameof(menuOption)} is not a valid type.");
}
}
}
