How to rotate image in Swift?

Question

I am unable to rotate the image by 90 degrees in swift. I have written below code but there is an error and doesn\'t compile

  func imageRotatedByDegrees(old         


        

Answer 1

 let angle =  CGFloat(M_PI_2)
  let tr = CGAffineTransform.identity.rotated(by: angle)
  ImageView.transform = tr