title: Swift: Filter array of array of Object
body: <p>I have the following structure</p>
  
  <pre><code>aSectionArray = [[objA, objB, objC], [obj1, obj2, obj3], [objX, objY, objZ]]
  </code></pre>
  
  <p>objA is having a bool, say <code>isEnabled</code>.</p>
  
  <p>I need to filter the <code>aSectionArray</code> based this bool (say <code>isEnabled == true</code>).</p>
  
  <p>Help needed.</p>