ass="content">O(log n). Returns option first element 
      
    </div>
  </div>
  <div id="TryTail" class="method">
    <h4><span title="Microsoft.FSharp.Core.FSharpOption<DList<T>>">FSharpOption&lt;DList&lt;T&gt;&gt;</span> <strong>TryTail</strong> get; </h4>
    <div class="content">O(log n). Returns option DList of the elements trailing the first element. 
      
    </div>
  </div>
  <div id="TryUncons" class="method">
    <h4><span title="Microsoft.FSharp.Core.FSharpOption<Tuple<T, DList<T>>>">FSharpO