From: Jim Freeze <jim@...>
Date: 2003-07-22T02:05:18+09:00
Subject: Re: Deep copy

On Tuesday, 22 July 2003 at  2:03:51 +0900, Jason Creighton wrote:
> On Mon, 21 Jul 2003 18:31:21 +0200
> "Simon Strandgaard" <0bz63fz3m1qt3001@sneakemail.com> wrote:
> 
> > On Tue, 22 Jul 2003 01:43:45 +0900, Jim Freeze wrote:
> > 
> > > Hi
> > > 
> > > I find that when I need to do a deep copy that I
> > > usually just do the following:
> > > 
> > >   x = Marshal.load(Marshal.dump(y)
> > > 
> > > 
> > > Is there a more concise (possibly faster) method that
> > > combines these two steps? If not, should we add one?
> > 
> > How about this ?
> > 
> > http://www.rubygarden.org/ruby?StandardClassExtensions/Object
> 
> <quoting from http://www.rubygarden.org/ruby?ObjectDeepClone>
> 
> class Object
>   def deep_clone
>     Marshal::load(Marshal.dump(self))
>   end
> end
> 
> <end quote>

That's nice, but it is not in 1.8....yet.


-- 
Jim Freeze
----------
If entropy is increasing, where is it coming from?