lass="special">&amp;</span> <span class="identifier">arr</span> <span class="special">=</span> <span class="identifier">jv</span><span class="special">.</span><span class="identifier">get_array</span><span class="special">();</span>
        <span class="keyword">if</span><span class="special">(!</span> <span class="identifier">arr</span><span class="special">.</span><span class="identifier">empty</span><span class="special">())</span>
        <span class="special">{</span>
            <span class="keyword">