nd">def</span>
      </span>
      <span class="symbol">
        <span class="name">productIterator</span><span class="result">: Iterator[<span name="scala.Any" class="extype">Any</span>]</span>
      </span>
      </h4>
      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Product</dd></dl></div>
    </li><li visbl="pub" name="org.saddle.util.Concat.Promoter#productPrefix" data-isabs="false">
      <a id="productPrefix:String"></a>
      <h4 class="signature">
      <s