<span class="p">(</span><span class="n">buffer</span><span class="o">-&gt;</span><span class="n">data</span><span class="p">(),</span> <span class="n">buffer</span><span class="o">-&gt;</span><span class="n">size</span><span class="p">()),</span>

                      <span class="c1">// Retain lifetime of the i/o buffer until completion
</span><span class="c1"></span>                      <span class="p">[</span><span class="n">buffer</span> <span class="o">=</span> <span class="n">std</span><span class="