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jrochkind/gist:349695

Created March 30, 2010 22:39
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gistfile1.txt
irb(main):011:0> class AutoHash
irb(main):012:1> def initialize(*args)
irb(main):013:2> super(*args) {|hash, key| hash[key] = AutoHash.new }
irb(main):014:2> end
irb(main):015:1> end
=> nil
irb(main):016:0> a = AutoHash.new
=> {}
irb(main):017:0> a["foo"]["bar"]["baz"]
=> {}
irb(main):018:0> a["foo"]
=> {"bar"=>{"baz"=>{}}}
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