<pre><code>package Person;
use Moose;
-<span class="highlight">with 'Printable';</span></code></pre>
+<span class="highlight">with 'Printable';</span>
+
+sub as_string { $_[0]->first_name() }</code></pre>
</div>
<div class="slide">
<span class="delete">with 'Printable';</span>
+sub as_string { $_[0]->first_name() }
+
<span class="highlight">has has_been_printed => ( is => 'rw' );
sub print {