From: dblack@...
Date: 2006-07-11T07:28:47+09:00
Subject: Re: problems with mixins

Hi --

On Tue, 11 Jul 2006, Russell Fulton wrote:

> Hi Folks,
>         I'm have some problems with mixin from a module that I have
> written.
>
> Module Parser
>
>  def thing
>  .
>  .
>  end
>
> end
>
> class Outer
>  include Parser
>
>  def initialize
>     print thing   # works
>  end
>
>  class Inner
>
>    def initialize
>      print thing  # fails with undefined local variable or method
> `thing'
>    end
>  end # of Inner
> end  # of Outer
>
> I've tried an include Parser in inner but that does not make any
> difference

It should.  Try again :-)

module Parser

   def thing
     "Thing"
   end

end

class Outer
   include Parser

   def initialize
      puts thing
   end

   class Inner
     include Parser
     def initialize
       puts thing
     end
   end
end

Outer::Inner.new    # => Thing


David

-- 
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