If the key is not defined, return the successor of the key. : default_proc « Hash « Ruby

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Ruby » Hash » default_proc   If the key is not defined, return the successor of the key. plus1 = Hash.new {|hash, key| key.succ } plus1[1]      # 2 plus1["one"]  # "onf": see String.succ plus1.default_proc  # Returns the Proc that computes defaults plus1.default(10)   # => 11: default returned for key 10   Related examples in the same category

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