endering</a></li>
<li><a href="#what-is-fantasy-land">What is Fantasy Land</a></li>
</ul>
</li>
</ul>
</li>
<li>Tooling<ul>
<li><a href="https://github.com/MithrilJS/mithril.js/blob/master/ospec">Ospec</a></li>
</ul>
</li>
</ul>
<hr>
<h3 id="description"><a href="#description">Description</a></h3>
<p>A Stream is a reactive data structure, similar to cells in spreadsheet applications.</p>
<p>For example, in a spreadsheet, if <code>A1 = B1 + C1</code>, then changing the value of <code>B1</code> or <code>C1</c