From: ara.t.howard@...
Date: 2007-02-18T02:07:37+09:00
Subject: Re: Oppinions on RCR for dup on immutable classes

On Sun, 18 Feb 2007, Stefan Rusterholz wrote:

> Yukihiro Matsumoto wrote:
>> |I'll try to explain it differently, depict my issue. Say you go to a
>> |restaurant, take a look at the card and see "Spagetthi". You order
>> |Spagetthi but the waiter just tells you "Oh, we don't serve Spagetthi
>> |here.". You'd naturally ask "Why put it on the card then if you don't
>> |serve it at all?"
>>
>> I imagine the waiter telling you "Oh, we don't serve Spaghetti
>> _today_".
>>
>>               matz.
>
> Um, no, with the classes mentioned in the RCR the answer would be
> "never", not just "today". You'd have to buy the Restaurant and exchange
> to cook to change the answer :)

not really, you just have to learn how to cook! ;-)

   harp:~ > cat a.rb
   module DupSelf
     def dup() self end
   end

   nil.extend DupSelf

   p nil.dup

   harp:~ > ruby a.rb
   nil

regards.

-a
-- 
we can deny everything, except that we have the possibility of being better.
simply reflect on that.
- the dalai lama