span>, <span class='number'>0</span>);
        <span class='lifetime'>&#39;c</span>: {
            <span class='comment'>// Temporary scope because we don&#39;t need the</span>
            <span class='comment'>// &amp;mut to last any longer.</span>
            <span class='ident'>Vec</span>::<span class='ident'>push</span>(<span class='kw-2'>&amp;</span><span class='lifetime'>&#39;c</span> <span class='kw-2'>mut</span> <span class='ident'>data</span>, <span class='number'>4</span>);
        }
        <span