ass="special">(</span><span class="identifier">f</span><span class="special">,</span> <span class="identifier">attr</span><span class="special">));</span>

        <span class="identifier">first</span> <span class="special">=</span> <span class="identifier">f</span><span class="special">.</span><span class="identifier">first</span><span class="special">;</span>
        <span class="keyword">return</span> <span class="keyword">true</span><span class="special">;</span>
    <span class="special">}</span>

    