swift - How to animate the alpha of a textLabel in UITableView? -

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O people, I am trying to change the alpha of the default tax label from a UITWhen when the table is scrolled, But I'm getting this error: 

  Can not fetch 'animated method' with an argument list type (float literal variable, animation: () -> () -> $ T2) '  
 My code is:  
  Overcrowd Function ScrollVididScroll (Scrollview: Uua EscrollView) {for the table in the cell. VisibleCell () {UIView.animateWithDuration (0.5, Animation: {cell.textLabel? An empty  return     
 
 
 / code> at the end of closing the statement  
  UIView.animateWithDuration (0.5, animation: {cell.textLabel ???? alpha = 0.0 returns / />  
 You are using the Compact (Shortcut) Closer version, which has a built-in return. What happens is that your code reads it by the compiler :  
  return cell.text label? .php = 0 0   
 and it does not match closed signatures, so the compilation error. Adding a return statement makes it clear that the closing value does not have any return value.   < / Html>

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