From: "Berger, Daniel" <Daniel.Berger@...>
Date: 2005-11-17T04:59:08+09:00
Subject: Re: Proposed RCR: Object#replace



> -----Original Message-----
> From: David A. Black [mailto:dblack@wobblini.net] 
> Sent: Wednesday, November 16, 2005 12:32 PM
> To: ruby-talk ML
> Subject: Re: Proposed RCR: Object#replace
> 
> 
> Hi --
> 
> On Thu, 17 Nov 2005, Trans wrote:
> 
> >> i see where you are coming from, but wouldn't this more 
> accurately be 
> >> called something like Object#refer since all instance vars 
> will then 
> >> be shared?
> >
> >  class Object
> >      def replace(other)
> >        other.instance_variables.each do |name|
> >          o = other.instance_variable_get(name)
> >          if o.respond_to? :clone
> >            instance_variable_set(name, o.clone)
> >          end
> >        end
> >      end
> >    end
> 
> How does instance variable duplication qualify as the general 
> meaning of "replace"?  It's not even part of the existing 
> replace methods.

I didn't actually want instance variable duplication.  All I wanted was
the same bit of memory reused.

- Dan