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">!=</span> <span class="token boolean">nil</span> <span class="token punctuation">{</span>
        <span class="token keyword">return</span> <span class="token boolean">nil</span><span class="token punctuation">,</span> err
    <span class="token punctuation">}</span>

    