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class C1
  def m()
    return 'parent'
  end
end
class C2 < C1
  def m()
    return super()+' child'
  end
end
o = C2.new()
p o.m()

Success #stdin #stdout 0.05s 9704KB

stdin

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Standard input is empty

stdout

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"parent child"

https://ideone.com/oru1yt

language:

Ruby (ruby 2.5.5)

created:

visibility:

public

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