extending Forwardable delegates to hash : Forwardable « Collections « Ruby

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Ruby » Collections » Forwardable   extending Forwardable delegates to hash require 'forwardable' class RandomAccessHash   extend Forwardable   def initialize     @delegate_to = {}   end   def_delegators :@delegate_to, :[], "[]=" end ra = RandomAccessHash.new ra["A"] = 4.60 ra["B"] = 1.94 ra["C"] = 2.01 puts ra["D"]                   Related examples in the same category 1.  extend Forwardable 2.  Easing the Delegation Blues

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