         return constraints
     }
     
-    public func pinToSuperviewAsLeftStrip(_ width: CGFloat) -> [NSLayoutConstraint]{
+    @discardableResult public func pinToSuperviewAsLeftStrip(_ width: CGFloat) -> [NSLayoutConstraint]{
         
         var constraints = [NSLayoutConstraint]()
         constraints.append(pinToSuperviewLeft(0))

        return constraint
    }
    
    public func pinViewsWidthToSame(_ firstView: UIView, secondView: UIView) -> NSLayoutConstraint{
        
        translatesAutoresizingMaskIntoConstraints = false
        

        return constraint
    }
    
    @discardableResult public func pinHeight(_ height: CGFloat) -> NSLayoutConstraint{
        
        translatesAutoresizingMaskIntoConstraints = false
        
