new.html.erb

edit view.erb

 <h1>Edit user</h1>
 
<%= form_for(@user) do |f| %>
  <%= render 'fields', :f => f %>
  <div class="actions">
    <%= f.submit "Update" %>
  </div>
<% end %>

new view.erb

 <h1>Sign up</h1>

<%= form_for(@user) do |f| %>
  <%= render 'fields', :f => f %>
  <div class="actions">
    <%= f.submit "Sign up" %>
  </div>
<% end %>