From: nobu.nokada@...
Date: 2003-08-22T22:14:20+09:00
Subject: Re: SystemStackError comparing self-referential structures

Hi,

At Fri, 22 Aug 2003 18:57:09 +0900,
Gerard A.W. Vreeswijk wrote:
> >SystemStackError: stack level too deep
> >
> >I expected a result of true. Am I expecting too much? It might be hard 
> >(or costly) to get this behavior. Array#== could remember (by calling 
> >another function and passing along a hash argument throughout the 
> >recursion) which pairs it has already compared...
> 
> How perverse :-)  I am actually surpised that the inspect method is able
> to make something out of it.  
> 
> Are you the kind of guy that cannot be knocked away from between the two
> mirrors in the fun-fair? :-)

Method #inspect uses thread local variable to propagate the
context.  Inspection or traversal API would be required.

-- 
Nobu Nakada