nsible for creating their own wrapper to make the callable</li></ul></li></ul><pre class="m-code"><span class="c1">// previous - async allows passing arguments to the callable</span>
<span class="n">executor</span><span class="p">.</span><span class="n">async</span><span class="p">([](</span><span class="kt">int</span><span class="w"> </span><span class="n">i</span><span class="p">){</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">cout</span><span class="w"> 