/span>;

<span class="doccomment">/// Serial interface error</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">Error</span> {
    <span class="doccomment">/// Buffer overrun</span>
    <span class="ident">Overrun</span>,
    <span class="comment">// omitted: other error variants</span>
}

<span class="kw">impl</span> <span class="ident">hal</span>::<span class="ident">serial</span>::<span class="ident">Read</span><span class="op">&lt;</span><span class="ident">u8</span><spa