IBInspectable example for MLSDev blog articles

UIView+extensions.swift

extension UIView {
    @IBInspectable var cornerRadius: CGFloat {
        get { return layer.cornerRadius }
        set {
            layer.cornerRadius = newValue
            layer.masksToBounds = newValue > 0
        }
    }

    @IBInspectable var borderWidth: CGFloat {
        get { return layer.borderWidth }
        set { layer.borderWidth = newValue }
    }

    @IBInspectable var borderColor : UIColor {
        get { return UIColor(CGColor: layer.borderColor ?? UIColor.whiteColor().CGColor }
        set { layer.borderColor = newValue.CGColor }
    }
}