nd"><span class="modifier"></span> <span class="kind">def</span></span> <span class="symbol"><span class="implicit">ensuring</span><span class="params">(<span name="cond">cond: <span name="scala.Boolean" class="extype">Boolean</span></span>)</span><span class="result">: <a href="" name="provingground.interface.Site.Tut" id="provingground.interface.Site.Tut" class="extype">Tut</a></span></span><div class="fullcomment"><dl class="attributes block"><dt class="implicit">Implicit</dt><dd>This member is added by 