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authorDavid Heinemeier Hansson <david@loudthinking.com>2017-05-29 18:01:50 +0200
committerGitHub <noreply@github.com>2017-05-29 18:01:50 +0200
commit1c275d812f35f53f93cd96184a4f319983766cc5 (patch)
treeb063afeb12dd369f358ad18517e5e8915455df0e /activesupport/lib/active_support/callbacks.rb
parentedc90c858d4cbf1a8e4bfb7347b34348bb30e92c (diff)
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Add option for class_attribute default (#29270)
* Allow a default value to be declared for class_attribute * Convert to using class_attribute default rather than explicit setter * Removed instance_accessor option by mistake * False is a valid default value * Documentation
Diffstat (limited to 'activesupport/lib/active_support/callbacks.rb')
-rw-r--r--activesupport/lib/active_support/callbacks.rb3
1 files changed, 1 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb
index d771cab68b..ddfa91a342 100644
--- a/activesupport/lib/active_support/callbacks.rb
+++ b/activesupport/lib/active_support/callbacks.rb
@@ -62,8 +62,7 @@ module ActiveSupport
included do
extend ActiveSupport::DescendantsTracker
- class_attribute :__callbacks, instance_writer: false
- self.__callbacks ||= {}
+ class_attribute :__callbacks, instance_writer: false, default: {}
end
CALLBACK_FILTER_TYPES = [:before, :after, :around]