From: Josh Cheek <josh.cheek@...>
Date: 2010-10-19T15:52:54+09:00
Subject: Constant Lookup Confusion

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Trying to dynamically set a constant, but I seem to either be defining it in
the wrong place, or looking for it in the wrong place.



module ClassMaker
  def self.make_class( classname , default )
    theclass = Class.new do
      extend ClassMethods
      const_set :DEFAULT , default
    end
    Object.const_set classname , theclass
  end

  module ClassMethods
    def reset
      @value = DEFAULT
    end
  end
end

ClassMaker.make_class 'MyClass' , :my_default

begin
  MyClass.reset
rescue => e
  e # => #<NameError: uninitialized constant
ClassMaker::ClassMethods::DEFAULT>
end

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