User Header

application.html.erb

    <div id="user_header">
      <% if current_user %>
        Logged in as <%= link_to current_user.name, user_path(current_user) %>
        <%= link_to "Log out", logout_path %>
      <% else %>
        <%= link_to "Sign Up", signup_path %> or
        <%= link_to "Log In", login_path %>
      <% end %>
    </div>
    <br />