ct</span><span class="special">:</span>
    <span class="special">{</span>
        <span class="identifier">os</span> <span class="special">&lt;&lt;</span> <span class="string">"{\n"</span><span class="special">;</span>
        <span class="identifier">indent</span><span class="special">-&gt;</span><span class="identifier">append</span><span class="special">(</span><span class="number">4</span><span class="special">,</span> <span class="char">' '</span><span class="special">);</span>
        <span class="ke