From: Eric Hodel <drbrain@...7.net>
Date: 2010-12-14T03:21:39+09:00
Subject: Re: VERSION constant issue

On Nov 25, 2010, at 05:54, Intransition wrote:

> Ruby's VERSION constant is getting in the way of using #const_missing
> in my module. Here's some example code:
> 
>  module Foo
>    def self.const_data
>      @const_data ||= { 'version' => '1.0.0' }
>    end
> 
>    def self.const_missing(name)
>      key = name.to_s.downcase
>      const_data[key] || super(name)
>    end
>  end
> 
>  Foo::VERSION  #=> '1.8.7'
> 
> How can I fix this?

What would ::const_data provide that Module#constants, Module#const_get and Module#const_set and direct constant access don't provide?  If it's something legitimate, invert ::const_data to reference real constants via introspection and get rid of const_missing.

> I tried `remove_const(:VERSION)` at the toplevel but discovered that
> some Ruby library don't like that (sorry, can't recall which it was
> off hand).

File a bug, they should be using RUBY_VERSION.