     func leftIsSameSuperview() -> Layout {
         return leftIsSame(self.superview)
     }
-    
+
     func right(size:CGFloat) -> LayoutRight {
         return LayoutRight(layout: self, size: size)
     }

        superview.addConstraint(l)
    }
    
    
    class func horizontalEvenSpaceInCotainer(#superview:UIView ,views:[UIView],coverSpace:Bool) {
        if coverSpace {

    func fromTop(base:UIView) -> Layout{
        let l =  NSLayoutConstraint(item: self._layout._target, attribute: .Top, relatedBy: .Equal, toItem: base, attribute: .Top, multiplier: 1.0, constant: self._size)
        self._layout.addLayoutConstraint(l)
        self._layout._topConstraint = l
        return self._layout
    }
    
