 length of the argument slice.</p>
<pre><code><span class="hl-0"> </span><span class="hl-2">data</span><span class="hl-0"> :</span><span class="hl-1">=</span><span class="hl-0"> </span><span class="hl-2">make</span><span class="hl-0">([]byte, </span><span class="hl-5">100</span><span class="hl-0">)</span><br/><span class="hl-0"> count, </span><span class="hl-2">err</span><span class="hl-0"> :</span><span class="hl-1">=</span><span class="hl-0"> file.</span><span class="hl-2">Read</span><span class="hl-0">(d