2-bit integer (<code>i32</code>), or, a null value. Both alternatives are valid values to the <code>num</code> object. That is why, I can actually change the value of this object to null, and, no errors are raised by the <code>zig</code> compiler, as demonstrated below:</p>
<div class="cell">
<div class="sourceCode cell-code" id="cb19"><pre class="sourceCode zig code-with-copy"><code class="sourceCode zig"><span id="cb19-1"><a href="#cb19-1" aria-hidden="true" tabindex="-1"></a><span class="kw">var</span> n