app/views/havens/index.html.erb
<h1>Havens</h1>
<table class="table">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
<th colspan="2"></th>
</tr>
</thead>
<tbody>
<% @havens.each do |haven| %>
<tr>
<td><%= link_to(haven) %></td>
<td><%= haven.description %></td>
<td><%= link_to 'Edit', edit_haven_path(haven) %></td>
<td><%= link_to 'Destroy', haven, method: :delete, data: { confirm: 'Are you sure?' } %></td>
</tr>
<% end %>
</tbody>
</table>
<br>
<%= link_to 'New Haven', new_haven_path %>