mplicit">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.translation.ConeRestriction" id="provingground.translation.ConeRestriction" class="extype">ConeRestriction</a>[<span name="provingground.translation.ConeRestriction.X" class="extype">X</span>, <span name="provingground.translation.ConeRestriction.Y" class="extype">Y</span>, <span name="provingground.translation.Cone