rue" tabindex="-1"></a><span class="ex">-</span><span class="op">&gt;</span> 4    fn add_and_increment<span class="er">(</span><span class="ex">a:</span> u8, b: u8<span class="kw">)</span> <span class="ex">u8</span> {</span>
<span id="cb12-8"><a href="#cb12-8" aria-hidden="true" tabindex="-1"></a>   <span class="ex">5</span>        const sum = a + b<span class="kw">;</span></span>
<span id="cb12-9"><a href="#cb12-9" aria-hidden="true" tabindex="-1"></a>   <span class="ex">6</span>        const incremented =