Add note about how extends is necessary for metaclass compat

diff --git a/moose-class/slides/index.html b/moose-class/slides/index.html
index dc3da22..67fcb8e 100644 (file)
--- a/moose-class/slides/index.html
+++ b/moose-class/slides/index.html
@@ -964,6 +964,8 @@ sub BUILD {
 
   <ul>
     <li><code>extends</code> is sugar for declaring parent classes</li>
+    <li>Also ensures metaclass compatibility between parent and child</li>
+    <li>Do not <code>use base</code></li>
   </ul>
 
   <pre><code>package Employee;