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adding to the :kind documentation for ActiveSupport callbacks

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1 parent ed9a183 commit e4c8bc1b34867edccf3f515423fab19fae867b4f @neerajdotname neerajdotname committed
Showing with 5 additions and 0 deletions.
  1. +5 −0 activesupport/lib/active_support/callbacks.rb
5 activesupport/lib/active_support/callbacks.rb
@@ -565,6 +565,11 @@ def reset_callbacks(symbol)
# passed. In the above case method "before_save" is constructed by calling "#{kind}_#{name}"
# in the given class. In this case "kind" is "before" and "name" is "save".
+ # Although ":kind" is the default scope that is passed, it is possible to not to make use of ":kind".
+ # define_callbacks :save, :scope => [:name] . A declaration like this would call "save" method of
+ # Audit class since ":kind" is skipped.
+ #
+ #
def define_callbacks(*callbacks)
config = callbacks.last.is_a?(Hash) ? callbacks.pop : {}
callbacks.each do |callback|

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