
  [ova pchk val]
  (smap! ova pchk (constantly val)))</code></pre>
                    </div>
                </div>
                <pre><h6><i><a href="https://github.com/zcaudate/hara/blob/master/test/hara/state/ova_test.clj#L327-L345" target="_blank">link</a></i></h6><code class="clojure">(-> (range 5)
    (ova)
    (!! 1 0)
    (<<))
=> [0 0 2 3 4]

(-> (range 5)
    (ova)
    (!! #{1 2} 0)
    (<<))
=> [0 0 0 3 4]

(-> (range 5)
    (ova)
    (!! even? 0)
    (<<))
=> [0 1 0 3 0]</code></pre>
       