module Behavior
Ruby on Rails 5.2.8.1
Since v4.0.13Behavior module allows to determine how to display deprecation messages. You can create a custom behavior or set any from the DEFAULT_BEHAVIORS constant. Available behaviors are:
raise-
Raise
ActiveSupport::DeprecationException. stderr-
Log all deprecation warnings to +$stderr+.
log-
Log all deprecation warnings to
Rails.logger. notify-
Use
ActiveSupport::Notificationsto notifydeprecation.rails. silence-
Do nothing.
Setting behaviors only affects deprecations that happen after boot time. For more information you can read the documentation of the behavior= method.