From: Mike Bethany <mikbe.tk@...>
Date: 2011-07-05T23:45:05+09:00
Subject: Re: Define a constant in dynamically defined class

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You could do this:

k = Class.new do
  class_eval("class X; end")
end

puts k::X.object_id

On Tue, Jul 5, 2011 at 10:15 AM, Intransition <transfire@gmail.com> wrote:

> Have me a conundrum.
>
>     k = Class.new() do
>       class X; end
>     end
>
>    k::X.object_id
>
> results in
>
>    (irb):7: warning: toplevel constant X referenced by #<Class:
> 0x00000001954380>::X
>
> I don't want X to be toplevel. I want it to be under `k`. To
> complicate matters I don't have control over the block, as it actually
> comes from a testing procedure defined by an end user. The actual code
> is this:
>
>      # Create a sub-case.
>      #
>       def context(desc=nil, &block)
>        cls = Class.new(TestCase, &block)
>        cls.desc(desc) if desc
>        cls
>      end
>
> Is there any way to isolate X to k? And then apply it to the more
> general dynamic case?
>
> Thanks.
>
>

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