method

add_observer!

Ruby on Rails latest stable (v6.1.7.7) - 0 notes - Class: ActiveModel::Observer

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v3.2.13) is shown here.

add_observer!(klass) protected

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# File activemodel/lib/active_model/observing.rb, line 242
      def add_observer!(klass) #:nodoc:
        klass.add_observer(self)
      end