r">phoenix</span><span class="special">::</span><span class="identifier">_context</span><span class="special">)</span>
        <span class="special">)</span>
    <span class="special">&gt;</span>
<span class="special">{};</span>
</pre>
<p>
        That's it! Now that we have our actions defined, we want to evaluate some
        of our expressions with them:
      </p>
<pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">typename</span> <spa