MakeView.swift

//: Playground - noun: a place where people can play

import UIKit

func makeView<ViewType: UIView>(f: () -> ViewType, translatesAutoresizingMaskIntoConstraints: Bool) -> ViewType {
    let view = f()
    view.translatesAutoresizingMaskIntoConstraints = translatesAutoresizingMaskIntoConstraints
    return view
}

final class MyView: UIView {
    
    init(string: String) {
        super.init(frame: CGRectZero)
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
}

func un<A, B>(f : A -> B, a: A) -> () -> B {
    return {
        f(a)
    }
}

let view: MyView = makeView(un(MyView.init, a: "String that goes into initializer"), translatesAutoresizingMaskIntoConstraints: true)