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Created November 9, 2018 11:13
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block2.ruby
2.3.1 :001 > Foo.ancestors
=> [Foo, Object, Kernel, BasicObject]
2.3.1 :002 > Foo.superclass #superclass allow us to see what class the receiver inherited from. AKA, the parent of current class.
=> Object
2.3.1 :003 > Object.superclass
=> BasicObject
(Kernel is a Module, you could quickly verify it by doing Kernel.class)
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