From: Paul Brannan <pbrannan@...>
Date: 2003-10-18T00:44:19+09:00
Subject: Re: ruby-dev summary 21403-21530

On Thu, Oct 09, 2003 at 06:40:41AM +0900, Minero Aoki wrote:
>   Matz decided to dump/restore instance variables automatically,
>   even if #_dump/#marshal_dump is defined.  But it causes needless
>   errors when trying to dump objects which include unserializable
>   objects, e.g. IO.  Then if an object has #_dump/#marshal_dump
>   and meets unserializable objects, ruby will not raise exception,
>   just ignore it.

This seems like a bad idea to me.  My object may have references to
objects that I do not want dumped, for one reason or another.

Perhaps a dump_instance_variables() function would be better, so that
I can easily dump all instance variables if I want to, but I can still
turn that off?

Paul