&gt;scala.concurrent.Future[provingground.learning.PostData[_,provingground.learning.HoTTPostWeb,(Int,Int)]]]):provingground.learning.HoTTWebSession" title="Permalink"><i class="material-icons"></i></a></span> <span class="modifier_kind"><span class="modifier"></span> <span class="kind">def</span></span> <span class="symbol"><span class="name">launch</span><span class="params">(<span name="state">state: <a href="WebState.html" name="provingground.learning.WebState" id="provingground.learning.WebState" cl