.Cons[C,H]" 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" title="gt4s: $bar$colon">|:</span><span class="params">(<span name="head">head: <a href="Constructor.html" name="provingground.induction.coarse.Constructor" id="provingground.induction.coarse.Constructor" class="extype">Constructor</a>[<span name="provingground.induction.coarse.ConstructorSeq.Empty.C