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it unlocks many cool features!
- class InstanceCountClass
- @@instance_count = 0
- def self.instance_count
- @@instance_count
- end
- def initialize
- @@instance_count += 1
- end
- end
- InstanceCountClass.instance_count
- 5.times do
- InstanceCountClass.new
- end
- InstanceCountClass.instance_count
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