/div>
              </div>
            <p>A class used to run a function only once.</p>

<p>Example:</p>

<pre class="highlight plaintext"><code>   let ur = UniqueRunner()
   var result = ur.runOnce(addNumbers(2, 2))
   result = ur.runOnce(addNumbers(5, 5))
   result = ur.runOnce(addNumbers(10, 10))

   result == 4 // true
</code></pre>

          </section>
          <section class="section task-group-section">
            <div class="task-group">
              <ul>
                <li class="item">
      