From: "Laughlin, Joseph V" <Joseph.V.Laughlin@...>
Date: 2004-07-29T11:48:22+09:00
Subject: Re: Automatically setting attributes

> -----Original Message-----
> From: David A. Black [mailto:dblack@wobblini.net] 
> Sent: Wednesday, July 28, 2004 7:39 PM
> To: ruby-talk ML
> Subject: Re: Automatically setting attributes
> 
> 
> Hi --
> 
> On Thu, 29 Jul 2004, Mehr, Assaph (Assaph) wrote:
> 
> > 
> > > How can I do something like the following:
> > 
> > > class Foo
> > >    attr_accessor :goo, :moo
> > >    def initalize
> > >       @attr.each { | attrib| attrib = 0 }
> > 
> > 	  [:goo,:moo].each { |sym| send "#{sym}=", 0 }
> > or:
> > 	  [:goo,:moo].each { |sym| instance_eval "@#{sym} ||= 0" }
> > 
> > >    end
> > > end
> 
> You could also use: instance_variable_set("@#{sym}",0)
> (which might be more self-documenting).
> 
> 
> David
> 

Do those methods have any advantages over doing

@goo, @moo = 0, 0

?