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johnnaegle/example.rb

Created September 7, 2016 18:11
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example.rb
root = Node.create!
child = Node.create!(:parent => root, :value => 12)
grandchild = Node.create!(:parent => child)
root.effective_value # nil
child.effective_value # 12
grandchild.effective_value # 12 -- inherited from child
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