From: "I. E. Smith-Heisters" <i@0x09.com>
Date: 2008-09-17T05:17:45+09:00
Subject: Re: define anonymous module with closure

On Sep 16, 12:46 pm, "ara.t.howard" <ara.t.how...@gmail.com> wrote:
> On Sep 16, 2008, at 1:17 PM, I. E. Smith-Heisters wrote:
>
> > x, y = %w(x y)
> >  definition = lambda{def z; x; end}
> >  y.extend Module.new(&definition)
> >  y.z # => 'x'
>
> cfp:~ > cat a.rb
> x, y = %w( x y )
>
> definition = lambda{ define_method(:z){ x } }
>
> y.extend Module.new(&definition)
>
> p y.z # => 'x'
>
> cfp:~ > ruby a.rb
> "x"
>
> 'def' creates a new scope - you lose the closure surrounding 'x'.  to  
> keep it use 'define_method', which takes a block - aka closure.
>
> a @http://codeforpeople.com/
> --
> we can deny everything, except that we have the possibility of being  
> better. simply reflect on that.
> h.h. the 14th dalai lama

brilliant! thanks for the explanation and solution all in one.