"kw">else</span> {
            <span class="comment">// No data available yet</span>
            <span class="prelude-val">Err</span>(<span class="ident">nb</span>::<span class="ident">Error</span>::<span class="ident">WouldBlock</span>)
        }
    }
}

<span class="kw">impl</span> <span class="ident">hal</span>::<span class="ident">serial</span>::<span class="ident">Write</span><span class="op">&lt;</span><span class="ident">u8</span><span class="op">&gt;</span> <span class="kw">for</span> <span class="