&lt;</span>
                    <span class="identifier">double_</span> <span class="special">&lt;&lt;</span>
                    <span class="string">", "</span> <span class="special">&lt;&lt;</span>
                    <span class="identifier">double_</span> <span class="special">&lt;&lt;</span>
                    <span class="char">')'</span></code>
                  </p>
                </td>
</tr>
</tbody>
</table></div>
<p>
          Fortunately, literals (such as <code class="computeroutput"><span c