<%# if current_user %> <%#= link_to "new chatting", new_chatting_path %> <%# end %>
• <%= link_to "chattings", chattings_path %>

<% if current_user %>
• <%= link_to "Log Out", logout_path, method: "delete" %>
<% else %>
• <%= link_to "Sign Up", signup_path %>
• <%= link_to "Log In", login_path %>
<% end %>