# modifiy `README.md` example code
by swift 4.1 syntax * UIView.animate * CGAffineTransform
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README.md
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README.md
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@ -248,14 +248,14 @@ changeCurrentIndexProgressive = { (oldCell: ButtonBarViewCell?, newCell: ButtonB
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newCell?.label.textColor = UIColor.white
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if animated {
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UIView.animateWithDuration(0.1, animations: { () -> Void in
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newCell?.transform = CGAffineTransformMakeScale(1.0, 1.0)
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oldCell?.transform = CGAffineTransformMakeScale(0.8, 0.8)
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UIView.animate(withDuration: 0.1, animations: { () -> Void in
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newCell?.transform = CGAffineTransform(scaleX: 1.0, y: 1.0)
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oldCell?.transform = CGAffineTransform(scaleX: 0.8, y: 0.8)
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})
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}
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else {
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newCell?.transform = CGAffineTransformMakeScale(1.0, 1.0)
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oldCell?.transform = CGAffineTransformMakeScale(0.8, 0.8)
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newCell?.transform = CGAffineTransform(scaleX: 1.0, y: 1.0)
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oldCell?.transform = CGAffineTransform(scaleX: 0.8, y: 0.8)
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}
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}
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```
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