From: "David A. Black" <dblack@...>
Date: 2003-12-10T07:34:38+09:00
Subject: Re: Adjusting the Scope of Blocks

Hi --

On Wed, 10 Dec 2003, ts wrote:

> >>>>> "D" == David A Black <dblack@wobblini.net> writes:
> 
> D> Uh oh.  I sense the beginning of the end :-)  What don't I (appear to)
> D> like about it?
> 
> svg% cat b.rb
> #!/usr/bin/ruby
> 
> class A
>    def self.n 
>       puts "A::n"
>    end
> end
> 
> def n 
>    puts "Object#n"
> end
> 
> A.class_eval { n }
> svg% 
> 
> svg% b.rb
> A::n
> svg% 

I think what bothers me about the other case, where a method grabs a
block and instance_eval's it, is the sense that the block might have
"wanted" to refer to a different n (or whatever).  When it's all
visible as above, there's no such danger, and therefore, to me, no
"magic" aspect.


David

-- 
David A. Black
dblack@wobblini.net