TheBinder4.swift

extension ProfileViewController {

    static func makeViewController(_ userService: UserService) -> ProfileViewController {
        let viewController = ProfileViewController()

        viewController.nameLabel.text = userService.user.name
        viewController.imageView.imageUrl = userService.user.imageUrl  // Assuming using an image caching libary

        userService.friends.bind(to: viewController.friendsView) { cell, friend in
            cell.nameLabel.text = friend.name
        }

        // ...

        return viewController
    }
}