-
prefix ||= '<%= singular_table_name %>'
-
if f.object.id
f.hidden_field :id, {name: name_for_input_tag(:id, prefix)}¶ ↑
<% for field in all_fields -%> <% input_html = input_for field -%> <% if input_html -%> <%= input_html %> <% end -%> <% end -%>