an>),
        }

        <span class="kw">match</span> <span class="ident">timer</span>.<span class="ident">wait</span>() {
            <span class="prelude-val">Err</span>(<span class="ident">nb</span>::<span class="ident">Error</span>::<span class="ident">Other</span>(<span class="ident">e</span>)) <span class="op">=</span><span class="op">&gt;</span> {
                <span class="comment">// The error type specified by `timer.wait()` is `!`, which</span>
                <span class="comment">// means no