an class="op">:</span>combined_key<span class="op">,</span> <span class="op">:</span><span class="kw">type</span>])</span>
<span id="cb10-4"><a href="#cb10-4" aria-hidden="true" tabindex="-1"></a>    combine([<span class="op">:</span>cases] .<span class="op">=&gt;</span> sum)</span>
<span id="cb10-5"><a href="#cb10-5" aria-hidden="true" tabindex="-1"></a>    sort<span class="op">!</span>([<span class="op">:</span>cases_sum]<span class="op">,</span> rev <span class="op">=</span> <span class="ex">true</span>)