 calling
<code>s.map(transform).joined()</code>.</p>

<p><strong>Complexity:</strong> O(1)</p>

    <h4>Declaration</h4>    
    <code class="language-swift">func flatMap&lt;SegmentOfResult where SegmentOfResult : Sequence&gt;(_ transform: @escaping (LazyFilterSequence&lt;Base&gt;.Elements.Iterator.Element) -&gt; SegmentOfResult) -&gt; LazySequence&lt;FlattenSequence&lt;LazyMapSequence&lt;LazyFilterSequence&lt;Base&gt;.Elements, SegmentOfResult&gt;&gt;&gt;</code>
    
        <h4>Declared In</h4>
        <a