try__pre_hara_state_ova__filter_BANG_">
                        <label class="source-toggle" for="entry__pre_hara_state_ova__filter_BANG_"></label>
                        <pre class="source"><code class="clojure">(defn filter!
  [ova pchk]
  (let [idx (set/difference
             (set (range (count ova)))
             (set (indices ova pchk)))]
    (delete-indices ova idx))
  ova)</code></pre>
                    </div>
                </div>
                <pre><h6><i><a href="https://github.com/zcaudate