From: Robert Dober <robert.dober@...>
Date: 2008-03-29T06:04:17+09:00
Subject: Re: instance_variable_[gs]et

2008/3/27 Radosław Bułat <radek.bulat@gmail.com>:
> On Thu, Mar 27, 2008 at 4:28 PM, Trans <transfire@gmail.com> wrote:
>
>  >  I don't quite get matz take. How is
>  >
>  >
>  >    variables.each do |key, value|
>  >      instance_variable_set("@#{key}", value)
>  >    end
>  >
>  >  cleaner than
>  >
>  >     instance_variable_set(variables)
>
>  It won't but he didn't say that. And Florian Gilcher showed you that
>  you can write your own method that do it for you. I don't think that
>  Ruby should have built-in such a method. Using
>  instance_variable_[sg]et should be very rare (for example in
>  metaprogramming) and using such a loop even more.
As a DSL implementor I could not disagree more with you, obviously
there are many people who wrote the same code
  each { |k,v|
       ivar_set "@#{k}", v

that would mean that it would be a nice feature to have, it would
simply be the most DRY solution to the problem (or DROP in this case).

Cheers
Robert
-- 
http://ruby-smalltalk.blogspot.com/

---
Whereof one cannot speak, thereof one must be silent.
Ludwig Wittgenstein