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  1. class Test
  2.   class << self
  3.     attr_accessor :foo
  4.   end
  5.   self.foo = 0
  6.  
  7.   def initialize
  8.     self.class.foo += 1
  9.   end
  10. end
  11.  
  12. 4.times{ Test.new }
  13.  
  14. p Test.foo == 4
Success #stdin #stdout 0s 4716KB
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stdin
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Standard input is empty
stdout
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true
https://ideone.com/452Rl
language:
Ruby (ruby 2.5.5)
created:
12 years ago
visibility:
secret

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