RailsDoc(β)
v5.2
v7.2
v7.1
v7.0
v6.1
v6.0
v5.2
GitHub
Required Files
Namespace
Module
Class
Ruby on Rails 5.2.8
behaviors.rb
activesupport/lib/active_support/deprecation/behaviors.rb
on GitHub
Required Files
active_support/notifications
Namespace
Module
ActiveSupport
ActiveSupport::Deprecation::Behavior
Class
ActiveSupport::Deprecation
ActiveSupport::DeprecationException