title: Return statement with [..._items]
body: <p>I am not able to understand the return statement in the code provided down below.</p>
  
  <pre><code>import 'package:flutter/foundation.dart';
  import 'package:GreatPlace/models/place.dart';
  
  class GreatPlaces with ChangeNotifier{
  
  List&lt;Place&gt; _items=[];
  List&lt;Place&gt; get item{
    return[..._items];
  }
  }
  </code></pre>