From: David Garamond <davegaramond@...>
Date: 2002-08-26T19:11:43+09:00
Subject: Re: warning modifying constant & 'global constant'

Yukihiro Matsumoto wrote:
> |2. is there a beast called a 'global constant'? i tried defining $Foo 
> |and ruby allows me to rebind $Foo later.
> 
> No.  $Foo is a plain global variable.

thanks matz.

i want to protect some global variables without having to resort to 
setting $SAFE to 4. can we use some proxying mechanism, or override an 
object method to trap assignment/binding? freeze() only protect the 
object value, and does not prevent rebinding.

-- 
dave