erited" id="func-iterator-element_-sequence-joined">
<a class="toggle-link" data-toggle="collapse" href="#comment-func-iterator-element_-sequence-joined">func joined()</a>
        
<div class="comment collapse" id="comment-func-iterator-element_-sequence-joined"><div class="p">
    <p>Returns the elements of this sequence of sequences, concatenated.</p>

<p>In this example, an array of three ranges is flattened so that the
elements of each range can be iterated in turn.</p>

<pre><code class="language-swift