saw it raised, rather than to the exception
    itself. Practically, it means that the code related to <code class="code">fn</code> should not use
    the backtrace if it has itself raised an exception before.<br>
<b>Since</b> 3.11.2<br>
</p></div>
<br>
<h6 id="6_Rawbacktraces">Raw backtraces</h6><br>

<pre><span id="TYPEraw_backtrace"><span class="keyword">type</span> <code class="type"></code>raw_backtrace</span> </pre>

<br>
The abstract type <code class="code">backtrace</code> stores exception backtrace