Fira Code.">→</span><span class="tparams">[<span name="B">B</span>]</span><span class="params">(<span name="y">y: <span name="scala.Predef.ArrowAssoc.→.B" class="extype">B</span></span>)</span><span class="result">: (<a href="" name="provingground.Context.AppendConstant" id="provingground.Context.AppendConstant" class="extype">AppendConstant</a>[<span name="provingground.Context.AppendConstant.U" class="extype">U</span>], <span name="scala.Predef.ArrowAssoc.→.B" class="extype">B</span>)</span></span><