From: Eric Hodel <drbrain@...7.net>
Date: 2007-08-12T18:06:59+09:00
Subject: Re: global_variable_set (like instance_variable_set)

On Aug 11, 2007, at 23:29, Marc Heiler wrote:
>> What problem do you need this for... it sounds like you could get by
>> with a different (and better) approach, but we'd need to know a  
>> little
>> more about what you're trying to do.
>
>
> I believe for the record, a non-eval solution will be interesting  
> to see
> either way, even if he would use another (better) approach :-)

$ ruby
require 'rubygems'
require 'inline'

module Kernel
inline :C do |builder|
   builder.include '"ruby.h"'

   builder.c <<-'EOF'
     static VALUE
     global_variable_set(char * varname, VALUE object) {
       return rb_gv_set(varname, object);
     }
   EOF
end
end

p global_variable_set 'foo', 5
-:17: warning: parenthesize argument(s) for future version
p $foo
# I hit ^D here
5D
5


--
Poor workers blame their tools. Good workers build better tools. The
best workers get their tools to do the work for them. -- Syndicate Wars