From: Robert Klemme <bob.news@...>
Date: 2003-07-22T02:04:28+09:00
Subject: Re: Deep copy


"Jason Creighton" <androflux@softhome.net.remove.to.reply> schrieb im
Newsbeitrag
news:20030721103047.708f65ad.androflux@softhome.net.remove.to.reply...
> 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

Even more efficient:

class Object
  def sheep_clone(); "Molly".dup; end
end

Ahem...

    robert