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From: 7stud -- <bbxx789_05ss@yahoo.com>
Newsgroups: comp.lang.ruby
Subject: Re: What do you do when you need to attach data to an object instance?
Date: Fri, 15 Apr 2011 18:10:05 -0500
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.ruby:2983

Kevin Mahler wrote in post #992907:
>
>   def extend_accessor(obj, name)
>     obj.singleton_class.module_eval { attr_accessor name }
>     obj
>   end
>

Hey, now.  obj.singleton_class is a class so how about using the synonym 
class_eval():

      obj.singleton_class.class_eval { attr_accessor name }

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