t-align: center">‚ùå</td>
<td style="text-align: center">‚ùå</td>
</tr>
<tr>
<td style="text-align: left">Swift.CollectionDifference</td>
<td style="text-align: center">‚ùå</td>
<td style="text-align: center">‚ùå</td>
<td style="text-align: center">‚ùå</td>
<td style="text-align: center">‚ùå</td>
</tr>
</tbody></table>

<hr>
<h2 id='requirements' class='heading'>Requirements</h2>

<ul>
<li>Swift 4.2+</li>
<li>iOS 9.0+</li>
<li>tvOS 9.0+</li>
<li>OS X 10.9+</li>
<li>watchOS 2.0+ (only