nt">// Create the operation and run it</span>
    <span class="identifier">echo_line</span><span class="special">{</span><span class="identifier">stream</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">make_shared</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;()}();</span>
<span class="special">}</span>
</pre