/th></tr>
<tr><td><code>typedef pop_back&lt;Sequence&gt;::type s;</code></td><td>A model of <a href="../Extensible_Sequence.html">Extensible Sequence</a></td><td><code>empty&lt;Sequence&gt;::type::value == false</code></td><td>Equivalent to <code>typedef erase&lt; Sequence, prior&lt; end&lt;Sequence&gt;::type &gt;::type &gt;::type s;</code></td><td><code>size&lt;s&gt;::type::value == size&lt;Sequence&gt;::type::value - 1</code> </td></tr>
</table>
<p>
<h3>Complexity</h3>
<p>
Amortized constant time [<a href