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  1. class B
  2.   def self.foo
  3.     "B.foo"
  4.   end
  5.  
  6.   def self.bar
  7.     "B.bar"
  8.   end
  9.  
  10.   def bar
  11.     "B#bar"
  12.   end
  13. end
  14.  
  15. class C < B
  16.   def self.bar
  17.     "C.bar"
  18.   end
  19.  
  20.   def bar
  21.     "C#bar"
  22.   end
  23. end
  24.  
  25. p C.foo
  26. p C.bar
  27. p C.singleton_class.instance_method(:foo).bind(C).call #How come this doesn't error??
  28. p B.singleton_class.instance_method(:foo).bind(C).call
  29. # p C.new.foo => NoMethodError
  30. p C.new.bar
  31. p B.instance_method(:bar).bind(C.new).call
Success #stdin #stdout 0.01s 6244KB
comments (?)
stdin 
Standard input is empty
stdout 
"B.foo"
"C.bar"
"B.foo"
"B.foo"
"C#bar"
"B#bar"
https://ideone.com/hQWntU
language:
Ruby (ruby 2.5.5)
created:
3 years ago
visibility:
secret

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