mbj/dm-mongo-adapter — comment on commit 54b2f8f8b99dab2c6f0aaf052069c4e9ef9397b7
File: lib/dm-mongo-adapter/property/bson_object_id.rb line 1
By solnic:

In dm-core I just added custom coercion to dm-core.rb...you could create separate files for this too if it makes sense or put them into dm-mongo-adapter/support/coercions.rb?