er">argv</span><span class="special">[</span><span class="number">1</span><span class="special">]</span> <span class="special">);</span>

        <span class="comment">// See if the string is valid JSON</span>
        <span class="keyword">auto</span> <span class="keyword">const</span> <span class="identifier">valid</span> <span class="special">=</span> <span class="identifier">validate</span><span class="special">(</span> <span class="identifier">s</span> <span class="special">);</span>

        <span clas