lass="signature">
      <span class="modifier_kind">
        <span class="modifier"></span>
        <span class="kind">def</span>
      </span>
      <span class="symbol">
        <span class="name">flatten</span><span class="tparams">[<span name="T">T</span>]</span><span class="params">(<span name="arrs">arrs: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="scala.Array">Array</span>[<span class="extype" name="org.saddle.array.flatten.T">T</span>]]</span>)</span><span class="para