n class="arrow">&#45;&gt;</span></span>
  <span><span class="label">default_caller_history</span>:<a href="../PulseValueHistory/index.html#type-t">ValueHistory.t</a> <span class="arrow">&#45;&gt;</span></span>
  <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span>
  <a href="#type-t">t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-add_to_errlog"><a href="#val-add_to_errlog" class="anchor"></a><code><span><span class="keyword">val</span> add