card/lib/cardio/all.rb
require "rails"
require "cardio"
require "cardio/mod"
%w[
active_record/railtie
active_storage/engine
action_view/railtie
action_mailer/railtie
active_job/railtie
action_mailbox/engine
rails/test_unit/railtie
sprockets/railtie
cardio/railtie
].each do |railtie|
require railtie
end