pecial>(</span><span class=number>6</span><span class=special>))
</span></pre></code>
<p>
actor&lt;value&lt;int&gt; &gt;(value&lt;int&gt;(6)) is implicitly created behind the scenes, so there's really no need to explicitly type everything but:</p>
<code><pre>
    <span class=identifier>plus</span><span class=special>(</span><span class=identifier>arg1</span><span class=special>, </span><span class=number>6</span><span class=special>)
</span></pre></code>
<p>
There are situations though, as we'll see later o