How to change the position of minus button of tableview on editing mode(Swift)

Question

I have found answer to this question in below link.But is in objective C.Please help to get it's Swift representation.

Changing the location of the minus sign in UITableView in Edit mode

Answer 1

Working example in Swift 3.0

override func layoutSubviews() {
    super.layoutSubviews()
    for subview in self.subviews {
        if subview.isMember(of: NSClassFromString("UITableViewCellEditControl")!) {
            var newFrame: CGRect = subview.frame
            newFrame.origin.x = 280
            subview.frame = newFrame
        }
    }
}

Edit: Result