> <span class="keyword">true</span> <span class="keyword">if</span> <span class="identifier">MyType</span> <span class="identifier">is</span> <span class="identifier">an</span> <span class="identifier">inner</span> <span class="keyword">enum</span> <span class="identifier">of</span> <span class="identifier">EnclosingType</span><span class="special">,</span> <span class="identifier">otherwise</span> <span class="keyword">false</span><span class="special">.</span>

<span class="identifier">has_class_MyType</s