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  1. p self.to_s                     #=> "main"
  2. p proc{ to_s }.call             #=> "main"
  3. p 0.instance_eval{ to_s }       #=> "0"
  4. p Fixnum.instance_eval{ to_s }  #=> "Fixnum"
  5. p Fixnum.class_eval{ to_s }     #=> "Fixnum"
  6. p Fixnum.module_eval{ to_s }    #=> "Fixnum"
Success #stdin #stdout 0.01s 5800KB
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stdin
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Standard input is empty
stdout
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"main"
"main"
"0"
"Fixnum"
"Fixnum"
"Fixnum"
https://ideone.com/znQz3T
language:
Ruby (ruby 2.5.5)
created:
7 years ago
visibility:
public

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