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import UIKit
extension UIView {

 func anchor (top: NSLayoutYAxisAnchor?, left: NSLayoutXAxisAnchor?, bottom: NSLayoutYAxisAnchor?, right: NSLayoutXAxisAnchor?, paddingTop: CGFloat, paddingLeft: CGFloat, paddingBottom: CGFloat, paddingRight: CGFloat, width: CGFloat, height: CGFloat, enableInsets: Bool) {
 var topInset = CGFloat(0)
 var bottomInset = CGFloat(0)

 if #available(iOS 11, *), enableInsets {
 let insets = self.safeAreaInsets
 topInset = insets.top
 bottomInset = insets.bottom

 print(“Top: \(topInset)”)
 print(“bottom: \(bottomInset)”)
 }

 translatesAutoresizingMaskIntoConstraints = false

 if let top = top {
 self.topAnchor.constraint(equalTo: top, constant: paddingTop+topInset).isActive = true
 }
 if let left = left {
 self.leftAnchor.constraint(equalTo: left, constant: paddingLeft).isActive = true
 }
 if let right = right {
 rightAnchor.constraint(equalTo: right, constant: -paddingRight).isActive = true
 }
 if let bottom = bottom {
 bottomAnchor.constraint(equalTo: bottom, constant: -paddingBottom-bottomInset).isActive = true
 }
 if height != 0 {
 heightAnchor.constraint(equalToConstant: height).isActive = true
 }
 if width != 0 {
 widthAnchor.constraint(equalToConstant: width).isActive = true
 }

 }