 unset. This is much easier and often more
efficient than manually trying to detect errors and unset context. Consider the
following example code, written once with a global var and once with a dynamic
binding.
</p>
<h3>Using a global var
</h3>
<pre class="mendoza-codeblock"><code data-language="janet">(<span class="mdzsyn-coresym">var</span> <span class="mdzsyn-symbol">*my-binding*</span> <span class="mdzsyn-number">10</span>)

(<span class="mdzsyn-coresym">defn</span> <span class="mdzsyn-symbol">may-error