html#type-t">BO.BufferOverrunDomain.Mem.t</a> <span>&#45;&gt;</span> <span>of_function:string</span> <span>&#45;&gt;</span> <a href="../../Costlib/CostUtils/BasicCost/index.html#type-t">Costlib.CostUtils.BasicCost.t</a></code></dt><dt class="spec value" id="val-logarithmic_length"><a href="#val-logarithmic_length" class="anchor"></a><code><span class="keyword">val</span> logarithmic_length : <a href="../../IR/Exp/index.html#type-t">IR.Exp.t</a> <span>&#45;&gt;</span> <a href="../../BO/BufferOverrunUtils/Mod