add row, sector, indexpath in button

uibutton indexpath row section

extension UIButton {
    
    private struct AssociatedKeys {
        static var section = "section"
        static var row = "row"
    }
    
    var section: Int {
        get {
            guard let number = objc_getAssociatedObject(self, &AssociatedKeys.section) as? Int else {
                return -1
            }
            return number
        }
        
        set(value) {
            objc_setAssociatedObject(self,
                                     &AssociatedKeys.section,
                                     Int(value),
                                     objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
        }
    }
    var row: Int {
        get {
            guard let number = objc_getAssociatedObject(self, &AssociatedKeys.row) as? Int else {
                return -1
            }
            return number
        }
        
        set(value) {
            objc_setAssociatedObject(self,
                                     &AssociatedKeys.row,
                                     Int(value),
                                     objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
        }
    }
    
    func setup(for indexPath: IndexPath) {
        self.row = indexPath.row
        self.section = indexPath.section
    }
    
    var indexPath: IndexPath {
        return IndexPath(row: row, section: section)
    }
}