From: dblack@...
Date: 2002-11-11T04:56:29+09:00
Subject: Re: return MyClass.new vs self.type.send :new

Hi --

On Mon, 11 Nov 2002, ahoward wrote:

> On Mon, 11 Nov 2002 dblack@candle.superlink.net wrote:
>
> > I'm lost.  Can you explain what you're trying to do?  I'm willing
> > to go out on a limb and speculate that there's a more idiomatic
> > (and 'bless'-less :-) way to do it.  But first I need a handle on
> > what "it" is :-)
>
> here's an example of 'it' - don't flame it too bad, it's just an example! ;-)
>
> module KlassMethods
>   attr_accessor :k
>   def init k
>     self.k = k
>   end
>   def initialize k
>     self.init k
>   end
> end
>
>  class Klass
>    include KlassMethods
>    def Klass.bless o, k
>      oc = o.clone.extend KlassMethods
>      oc.init k
>      oc
>    end
>  end

[etc.]

It looks and feels like you're working much too hard here, and sort of
layering a way of handling object creation on top of what Ruby can
already do for you.  I'm wondering what you're achieving that you
could do with something like:

  class Thing
    attr_accessor :j
    def initialize(x)
      self.j = x
    end
  end

  class Other < Thing
    attr_accessor :k
    def initialize(x,y)
      super(x)
      self.k = y
    end
  end

Doesn't that give you what you need, and wouldn't it scale better?


David

-- 
David Alan Black
home: dblack@candle.superlink.net
work: blackdav@shu.edu
Web:  http://pirate.shu.edu/~blackdav