">f</span><span class="special">(</span> <span class="identifier">filename</span><span class="special">,</span> <span class="string">"r"</span> <span class="special">);</span>
    <span class="identifier">json</span><span class="special">::</span><span class="identifier">stream_parser</span> <span class="identifier">p</span><span class="special">;</span>
    <span class="identifier">json</span><span class="special">::</span><span class="identifier">error_code</span> <span class="identifier">ec</span><span c