app/views/roles/index.html.erb
<h1>Roles</h1>
<table>
<tr>
<th>Name</th><th>Description</th><th>Created At</th>
<th>Updated At</th>
</tr>
<% for role in @roles %>
<tr>
<td><%= link_to role.name, :action => 'show', :id => role %></td>
<td><%= role.description %></td>
<td><%= role.created_at.to_s(:short) %></td>
<td><%= role.updated_at.to_s(:short) %></td>
<!--td><%= link_to 'Delete', { :action => 'destroy', :id => role }, :confirm => 'Are you sure?' %></td-->
</tr>
<% end %>
</table>
<hr/>
<p><%= link_to 'New role', :action => 'new' %></p>