From: pharrington <xenogenesis@...>
Date: 2009-12-01T08:00:15+09:00
Subject: Re: Problem trying to get a constant with correct scope

On Nov 30, 5:47 pm, Alexandre Mutel <alexandre_mu...@yahoo.fr> wrote:
> Currently, i'm using something like
>
> class Module
>   def dyn_const_get(sym)
>     list = name.split('::').inject([Object]) {|hierarchy,name| hierarchy
> << hierarchy.last.const_get(name)}
>     result = nil
>     while !list.empty? && result.nil?
>       begin
>         lookup_in = list.pop
>         result = lookup_in.const_get sym
>       rescue
>       end
>     end
>     result
>   end
> end
>
> And performing : A::C.dyn_const_get(:B) returns
> A::B
>
> But that's a very bad option in terms of performance... I'm wondering if
> there are any other options?
> --
> Posted viahttp://www.ruby-forum.com/.

As far as I know the only way to do this is to traverse the
inheritance hierarchy :\