is a string that Janet associates with a particular binding in an
environment. Janet detects docstrings by looking at the elements in the binding,
if a string is located at a particular position, it is used as the docstring.
</p>
<pre class="mendoza-codeblock"><code data-language="janet">(<span class="mdzsyn-coresym">defn</span> <span class="mdzsyn-symbol">my-function</span>
  <span class="mdzsyn-string">"This function adds two to the argument."</span>
  [<span class="mdzsyn-symbol">x</span>]
  (<span class