title: How to scroll to a particluar index in collection view in swift
body: <p>We have a collection view. I have made a calendar which shows dates horizontally &amp; I scroll dates horizontally. Now on screen I see only 3-4 dates. Now I want to auto scroll to a particular selected date when calendar screen I shown.So the date I want to scroll to is not visible yet.</p>
  
  <p>For that I got the indexpath for particular cell. Now I am trying to scroll it to particular indexpath.</p>
  
  <pre><code>  func scrollCollectionView(indexpath:IndexPath)
    {
     // collectionView.scrollToItem(at: indexpath, at: .left, animated: true)
      //collectionView.selectItem(at: indexpath, animated: true, scrollPosition: .left)
      collectionView.scrollToItem(at: indexpath, at: .centeredHorizontally, animated: true)
      _ = collectionView.dequeueReusableCell(withReuseIdentifier: "DayCell", for: indexpath) as? DayCell
  
    }
  </code></pre>
  
  <p>Please tell how can I implement it?</p>