Hi,

In message "Weak references"
    on 02/10/08, Torsten R?ger <torsten.rueger / firsthop.com> writes:

|But there is a problem I could solve with what is called a weak 
|reference in Java.

How about using weakref.rb?

  require 'weakref'
  w = Weakref.new(obj)

							matz.