 <a href="https://forum.nim-lang.org/t/11327">forum discussion</a>.</p>
<h3>Example of usage</h3>
<p>Here I call a function that I have not yet defined</p>
<pre><code class="nohighlight hljs nim"><span class="hljs-keyword">echo</span> add(<span class="hljs-number">1</span>, <span class="hljs-number">2</span>)</code></pre><pre class="nb-output">3
</pre>
<p>Let's call it again</p>
<pre><code class="nohighlight hljs nim"><span class="hljs-keyword">echo</span> add(<span class="hljs-number">2</span>, <span class