y</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></span><div class="fullcomment"><dl class="attributes block"><dt class="implicit">Implicit</dt><dd>This member is added by an implicit conversion from <a href="" name="provingground.Context.AppendConstant" id="provingground.Context.AppendConstant" clas