t the <code>*</code> symbol comes before of <code>?</code> this time. So now, we have a pointer that points to a value that is either null , or, a signed 32-bit integer.</p>
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<div class="sourceCode cell-code" id="cb21"><pre class="sourceCode zig code-with-copy"><code class="sourceCode zig"><span id="cb21-1"><a href="#cb21-1" aria-hidden="true" tabindex="-1"></a><span class="kw">var</span> num: ?<span class="dt">i32</span> = <span class="dv">5</span>;</span>
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