method
inherited_with_inheritable_attributes
inherited_with_inheritable_attributes(child)
private
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# File activesupport/lib/active_support/core_ext/class/inheritable_attributes.rb, line 155 def inherited_with_inheritable_attributes(child) inherited_without_inheritable_attributes(child) if respond_to?(:inherited_without_inheritable_attributes) if inheritable_attributes.equal?(EMPTY_INHERITABLE_ATTRIBUTES) new_inheritable_attributes = EMPTY_INHERITABLE_ATTRIBUTES else new_inheritable_attributes = inheritable_attributes.inject({}) do |memo, (key, value)| memo.update(key => value.duplicable? ? value.dup : value) end end child.instance_variable_set('@inheritable_attributes', new_inheritable_attributes) end