Type:
Module
Active Model Conversion
Handles default conversions: #to_model, #to_key, #to_param, and to_partial_path.
Let's take for example this non-persisted object.
class ContactMessage
include ActiveModel::Conversion
# ContactMessage are never persisted in the DB
def persisted?
false
end
end
cm = ContactMessage.new
cm.to_model == cm # => true
cm.to_key # => nil
cm.to_param # => nil
cm.to_partial_path # => "contact_messages/contact_message"