>}</span><span class="token punctuation">)</span><span class="token punctuation">.</span>
        <span class="token function">Limit</span><span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">.</span>
        <span class="token function">One</span><span class="token punctuation">(</span>article<span class="token punctuation">)</span>

    <span class="token keyword">if</span> err <span class="token operator">!=</sp