              </td>
</tr>
</tbody>
</table></div>
<h6>
<a name="fusion.sequence.intrinsic.functions.has_key.h3"></a>
            <span class="phrase"><a name="fusion.sequence.intrinsic.functions.has_key.expression_semantics"></a></span><a class="link" href="has_key.html#fusion.sequence.intrinsic.functions.has_key.expression_semantics">Expression
            Semantics</a>
          </h6>
<pre class="programlisting"><span class="identifier">has_key</span><span class="special">&lt;</span><span class="identifie