/pre>
                    </div>
                </div>
                <pre><h6><i><a href="https://github.com/zcaudate/hara/blob/master/test/hara/state/ova_test.clj#L228-L242" target="_blank">link</a></i></h6><code class="clojure">(-> (ova [{:id :1 :val 1}
          {:id :2 :val 1}
          {:id :3 :val 2}
          {:id :4 :val 2}])
    (smap-indexed! [:val 1]
                   (fn [i m]
                     (update-in m [:val] #(+ i 100 %))))
    (<<))
=> [{:id :1, :val 101}
    {:id :2, :val 102}
   