=&gt;Any):A"></a><a id="ensuring((ConstructorSeqTL[SS,H,Intros])=&gt;Boolean,=&gt;Any):ConstructorSeqTL[SS,H,Intros]"></a> <span class="permalink"><a href="../../provingground/induction/ConstructorSeqTL.html#ensuring(cond:A=&gt;Boolean,msg:=&gt;Any):A" 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="implicit">ensuring</span><span class="params">(<span name="cond">c