josevalim/active_model_serializers — pull request #24 by Adman65 (2011-12-20 22:02:20+00:00)
Title: Polymorphic associations

I've updated the code to work with the current master. It was initially written before the 'improve serializers' commit.

See: https://github.com/josevalim/active_model_serializers/issues/12