Rails: fields_for with index?

Rails: fields_for with index?

Is there a method (or way to pull off similar functionality) to do a fields_for_with_index? Examp...概要を表示 Is there a method (or way to pull off similar functionality) to do a fields_for_with_index? Example: <% f.fields_for_with_index :questions do |builder, index| %> <%= render 'some_form', :f => builder, :i => index %> <% end %> That partial being rendered needs to know what the current index is in the fields_for loop.

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