<span class="identifier">json</span><span class="special">;</span>

<span class="identifier">json</span><span class="special">::</span><span class="identifier">value</span>
<span class="identifier">parse_file</span><span class="special">(</span> <span class="keyword">char</span> <span class="keyword">const</span><span class="special">*</span> <span class="identifier">filename</span> <span class="special">)</span>
<span class="special">{</span>
    <span class="identifier">file</span> <span class="identifier