 events happening together are identifiable as such. E.g. if two traces start with a <code>ViaCall</code> and they happen at the same location, then that call will only appear once and the rest of those traces will then be added synchronously as well</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-find_map_last"><a href="#val-find_map_last" class="anchor"></a><code><span><span class="keyword">val</span> find_map_last : <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt