lass="nx">i</span> <span class="o">*</span><span class="nx">Item</span><span class="p">)</span> <span class="nx">SetItemID</span><span class="p">(</span><span class="nx">id</span> <span class="kt">int</span><span class="p">)</span> <span class="p">{</span>
    <span class="nx">i</span><span class="p">.</span><span class="nx">ID</span> <span class="p">=</span> <span class="nx">id</span>
<span class="p">}</span>

<span class="kd">func</span> <span class="p">(</span><span class="nx">i</span> <span class="nx">I