_null</code> and <code>unset_first_idex_of_null</code></p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-get_latest_prune"><a href="#val-get_latest_prune" class="anchor"></a><code><span><span class="keyword">val</span> get_latest_prune : <span><span><span class="type-var">_</span> <a href="#type-t0">t0</a></span> <span class="arrow">&#45;&gt;</span></span> <a href="../LatestPrune/index.html#type-t">LatestPrune.t</a></span></code></div></div><div class="odoc-spec"><div class="spe