 class="special">(</span><span class="identifier">b</span><span class="special">);</span>
</pre>
<p>
                </p>
              </td>
<td>
              </td>
<td>
                <p>
                  note: <code class="computeroutput"><span class="identifier">destroy</span><span class="special">()</span></code>
                  will only be called on a value that has previously been initialised
                  with <code class="computeroutput"><span class="identifier">construct</span><span clas