iber basis &mdash; each fiber contains an
environment table that can be queried for values. Using table prototypes, we
can easily emulate dynamic scoping.
</p>
<h2>Setting a value
</h2>
<p>To set a dynamic binding, use the <code class="mendoza-code">setdyn</code> function.
</p>
<pre class="mendoza-codeblock"><code data-language="janet"><span class="mdzsyn-comment"># Sets a dynamic binding :my-var to 10 in the current fiber.</span>
(<span class="mdzsyn-coresym">setdyn</span> <span class="mdzsyn-keyword">:my-