Cannot seem to use CGRectIntegral and CGRectInset functions in Swift

Question

Sorry for the novice question.

But just as the title says, I can\'t seem to use these functions in Swift 3. I have tried by importing the CoreGraphics library, but to

Answer 1

The functions are working fine, but their names have changed (a bit):

  let frame = CGRect.zero
  let x = frame.integral
  frame.insetBy(dx: 0, dy: 0)