../Absint/ProcCfg/DefaultNode/index.html#type-id">Node.id</a> <span class="arrow">&#45;&gt;</span></span> <a href="../../CostDomain/BasicCost/index.html#type-t">BasicCost.t</a>)</span> <span class="arrow">&#45;&gt;</span></span> <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> unit</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-improve_cost_from_sums"><a href="#val-improve_cost_from_sums" class="anchor"></a><code><span><span class="keyword">