� message.</p>
<div class="cell">
<div class="sourceCode cell-code" id="cb17"><pre class="sourceCode zig code-with-copy"><code class="sourceCode zig"><span id="cb17-1"><a href="#cb17-1" aria-hidden="true" tabindex="-1"></a><span class="kw">var</span> number: <span class="dt">u8</span> = <span class="dv">5</span>;</span>
<span id="cb17-2"><a href="#cb17-2" aria-hidden="true" tabindex="-1"></a>number = <span class="cn">null</span>;</span></code><button title="Copy to Clipboard" class="code-copy-button"><i cla