From: Christoph <chr_news@...>
Date: 2002-12-18T07:07:16+09:00
Subject: Re: Deep copy in Rub?


"Florian Frank" <flori@nixe.ping.de> wrote in > The only problem is that
marshal doesn't copy the frozen flags for the
> clone. If it would it could be possible to have "deep_clone" and
> "deep_dup".


There are other rather serious draw backs with the ``dump -load scheme'':

For example, you (normally) cannot dump ``data-structures" involving

singleton objects down the road.  The (IMO) best|correct solution would

would be the introduction of an ``object-walker" scheme providing a unified

basis for both Marshalling and deep-copying functionality  -  check out ...



http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/34343





/Christoph