 
 private func applyToSuperView(firstView: UIView, secondView: UIView) -> Bool{
     return firstView.superview == secondView.superview
-}
-
-func height (v: UIView) -> (UIView, NSLayoutAttribute) { return (v, .Height) }
-func width (v: UIView) -> (UIView, NSLayoutAttribute) { return (v, .Width) }
-func left (v: UIView) -> (UIView, NSLayoutAttribute) { return (v, .Left) }
-func right (v: UIView) -> (UIView, NSLayoutAttribute) { return (v, .Right) }
-func centerX (v:UIView) -> (UIView, NSLayoutAttribute) { return (v, .CenterX) }
-func centerY (v:UIView) -> (UIView, NSLayoutAttribute) { return (v, .CenterY) }
-func top (v:UIView) -> (UIView, NSLayoutAttribute) { return (v, .Top) }
-func bottom (v:UIView) -> (UIView, NSLayoutAttribute) { return (v, .Bottom) }+}
infix operator |<=| {}
infix operator |==| {}
infix operator |=| {}

func +(tuple:(UIView, NSLayoutAttribute), c:CGFloat) -> (UIView, NSLayoutAttribute, CGFloat) {
    return (tuple.0, tuple.1, c)

>= GreaterThanOrEqual relation
<= LessThanOrEqual relation
== Equal relation
= Used to set width or height
*/

import UIKit
