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skatenerd/gist:5189009

Created March 18, 2013 17:22
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gistfile1.rb
class Foo < Hash
def initialize(input_hash)
self.class[input_hash]
end
end
Foo[{h: 22}]
# => {:h=>22}
Foo.new({h: 22})
# => {}
@dadarek
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dadarek commented Mar 18, 2013 

class Foo < Hash
  def self.new(input_hash)
    self.class[input_hash]
  end
end

@skatenerd
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Your way seems to give "undefined method [] for Class Class"

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