 <span name="provingground.learning.SortList.Cons.U" class="extype">U</span>]]</h3></div><div name="scala.Predef.Ensuring" class="conversion"><h3>Inherited by implicit conversion Ensuring from<a href="" name="provingground.learning.SortList.Cons" id="provingground.learning.SortList.Cons" class="extype">Cons</a>[<span name="provingground.learning.SortList.Cons.Z" class="extype">Z</span>, <span name="provingground.learning.SortList.Cons.X" class="extype">X</span>, <span name="provingground.learning.SortList.C