ementOfResult?)</a>
        
<div class="comment collapse" id="comment-func-flatmap-elementofresult_-self-iterator-element-throws-elementofresult"><div class="p">
    <p>Returns an array containing the non-<code>nil</code> results of calling the given
transformation with each element of this sequence.</p>

<p>Use this method to receive an array of nonoptional values when your
transformation produces an optional value.</p>

<p>In this example, note the difference in the result of using <code>map</code> and
<