From: "Brian Schröder" <ruby@...>
Date: 2004-12-09T23:45:37+09:00
Subject: Re: binding question

On Thu, 9 Dec 2004 22:52:28 +0900
Florian Gross <flgr@ccan.de> wrote:

> Brian Schr�der wrote:
> 
> > labels = %w[one two three four five].inject({}) { | result, name |
> >   result[name] = TkLabel.new(:text => name, :bg => 'white') do 
> >     pack(:side => :top)
> >   end
> >   result
> > }
> 
> I'm always a bit skeptic about using .inject with in-place operations -- 
> it seems to defy its purpose. Sure, it makes code a bit shorter, but is 
> it really worth that? I'm not certain.
> 

Thats obviously a matter of taste. I like this code, because I'm injecting a
seed and a lambda into the array thereby transforming it into something else.
To me that is what inject is all about. I don't see a fundamental difference
between the above and

(0..10).inject(0) { | r, v | r + v }

best regards,

Brian


-- 
Brian Schr�der
http://www.brian-schroeder.de/