From: James Coglan <jcoglan@...>
Date: 2008-08-27T00:22:40+09:00
Subject: Re: Passing a block with define_method

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Just did something similar to Emmanuel's suggestion, works a treat:

module Continuations
  METHODS = {}

  def accepts_continuation(*args)
    args.each do |method_name|
      func = instance_method(method_name)
      id = func.object_id
      METHODS[id] = func

      module_eval <<-EOS
        def #{method_name}(*params, &block)
          value = Continuations::METHODS[#{id}].bind(self).call(*params)
          block.call(value) if block
          value
        end
      EOS
    end
  end
end

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