As a masochistic tree-concern user, I'd like to be able to make `Tree`s of polymorphic models. - [ ] Make sure `Tree` work with a polymorphic relationship - [ ] Add a migration helper to support a polymorphic relationship - [ ] Upgrade to a polymorphic relationship from the monomorphic one
As a masochistic tree-concern user, I'd like to be able to make
Trees of polymorphic models.Treework with a polymorphic relationship