From: Xavier Shay <contact@...>
Date: 2008-10-28T06:54:26+09:00
Subject: Re: Access module's anonymous parent

Brian Candler wrote:
> Is this what you're looking for?
> 
> m = Module.new
> m.instance_eval do
>   def foo
>     puts "Foo called"
>   end
>   parent = self
>   child = class self::A; self; end
>   child.class_eval { parent.foo }
> end
> a = m.const_get('A').new
> puts ParentSelf # This should raise - constant should not exist
> 
> (you can also use 'm.foo' instead of 'parent.foo', which means you can 
> remove the assignment 'parent = self')

I would have liked to keep the more familiar class syntax without 
resorting to class_eval

>   parent = self
>   child = class self::A; self; end
>   child.class_eval { parent.foo }

I'm autoloading a file, it contains this part, so it's basically the 
public interface.

> class self::A
>   parent.foo

And for that reason this is a much nicer, I think. But if it can't be 
done like this, it can't be done...
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