n><span class="p">()</span>

<span class="k">let</span> <span class="nv">firstArrayOfNumbers</span><span class="p">:</span> <span class="p">[</span><span class="kt">UInt8</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">,</span><span class="mi">4</span><span class="p">]</span>

<span class="c1">// Append a set of data to the 'writeBuffer' o