DVGM/app/views/users/index_admin.html.erb

<h1>Listing users</h1>
 
<%= link_to 'New User', new_user_path %>

<table>
  <tr>
    <th>Name</th>
    <th>Role</th>
  </tr>
 
  <% @users.each do |user| %>
    <tr>
      <td><%= user.login %></td>
      <td><%= user.role %></td>
    </tr>
  <% end %>
</table>