/th>
<th>Type</th>
<th>Required</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>callback</code></td>
<td><code>any -&gt; any</code></td>
<td>Yes</td>
<td>A callback whose return value becomes the value of the stream</td>
</tr>
<tr>
<td><strong>returns</strong></td>
<td><code>Stream</code></td>
<td></td>
<td>Returns a stream</td>
</tr>
</tbody>
</table>
<p><a href="signatures.html">How to read signatures</a></p>
<hr>
<h5 id="streamfantasy-landap"><a href="#streamfantasy-landap">stream[&quot;f