From: matz@... (Yukihiro Matsumoto)
Date: 2003-12-08T22:40:32+09:00
Subject: Re: WeakRef and Object#hash

Hi,

In message "Re: WeakRef and Object#hash"
    on 03/12/08, "Robert Klemme" <bob.news@gmx.net> writes:

|> As you can see, I'm not even adding methods, and it causes the weak
|> reference to not be recycled by the garbage collector.
|
|I had similar experiences about references not beeing cleared.  Maybe
|someone with more insight (Matz?) should comment on this.  Maybe only an
|instance's type is checked against WeakRef and not if it's a subtype of
|that.

The weakly referenced object is also considered as referenced from C
stack region.  It's due to Ruby's conservative nature of GC.

							matz.