n class="identifier">the</span> <span class="identifier">enclosing</span> <span class="identifier">type</span><span class="special">,</span>
            <span class="identifier">otherwise</span> <span class="char">'value'</span> <span class="identifier">is</span> <span class="keyword">false</span><span class="special">.</span>
</pre>
<p>Examples:</p>
<pre class="programlisting"><span class="number">1</span><span class="special">)</span> <span class="identifier">Search</span> <span class="keyword">for</span>