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fronx/nil_hash.rb

Created September 5, 2011 15:58
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nil_hash.rb
class Hash
def /(key)
self[key] || {}
end
end
h = {:foo => {:bar => {:baz => "BOOM"}}}
h/:foo/:bar/:baz # => "BOOM"
h/:foo/:bar/:not_existing # => nil
h/:foo/:bar/:baz/:no_hash_here # => NoMethodError: undefined method `/' for "BOOM":String
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