# File lib/mongoid/relations/bindings/referenced/many_to_many.rb, line 19 def bind_one(doc) unless _binding? _binding do inverse_keys = doc.you_must(metadata.inverse_foreign_key) inverse_keys.push(base.id) if inverse_keys base.synced[metadata.foreign_key] = true doc.synced[metadata.inverse_foreign_key] = true end end end