;</span></span> int</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-cost"><a href="#val-cost" class="anchor"></a><code><span><span class="keyword">val</span> cost : <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> <a href="../../CostDomain/BasicCost/index.html#type-t">BasicCost.t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-merge"><a href="#val-merge" class="anchor"></a><code><span><span class="