lass="op">=</span> <span class="fl">20</span></span>
<span><span class="op">)</span></span></code></pre></div>
    </div>

    <div class="section level2">
    <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>


<dl><dt id="arg-x">x<a class="anchor" aria-label="anchor" href="#arg-x"></a></dt>
<dd><p>a value for x.</p></dd>


<dt id="arg-y">y<a class="anchor" aria-label="anchor" href="#arg-y"></a></dt>
<dd><p>a value for y.</p></dd>


<dt id="arg-block">block<a cla