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it unlocks many cool features!
- class Mammal
- @@class_name = "mammal"
- def self.class_name
- @@class_name
- end
- end
- class Dog < Mammal
- @@class_name = "dog"
- def self.class_name
- @@class_name
- end
- end
- Dog.class_name
- # => dog
- Mammal.class_name
- # => dog
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