From: Anton Ivanov <forall.x@...>
Date: 2008-09-12T09:18:37+09:00
Subject: Re: pass by reference in each loop

Xiong Chiamiov wrote:

> 
> I don't think I understood what you were suggesting the first time.  If 
> I understand what you're suggesting, it is to have the values themselves 
> in the array, rather than variables pointing *to* those values, yes?
> 
> I need to know specifically which values are which, however, as they get 
> passed back into different parts of the output, so I'm thinking I'd have 
> to use a hash, something like
> 
> hash = {
> 'a'  => 'this is actually input',
> 'b'  => 'not hardcoded',
> ...
> }
> 
> so that I could assign them appropriately afterwards:
> 
> hash.each {|key, value| key = value}
> 
> although, looking at that now, I don't think that it would work.
> 
> But as far as hash mapping (if that's what I have to do), I suppose I 
> could use one of the methods in this thread 
> (http://www.nabble.com/Iterating-through-a-hash-td19074540.html), right?
> 
> I appreciate your help.

I think you're getting yourself more and more confused.  Quit posting,
fire up irb and play around.  What do you get when you do hash.each
{|key, value| key = value} ?  Is there any difference between
[1,2,3].each {|x|} and a,b,c=1,2,3; [a,b,c].each {|x|}? etc.
-- 
Posted via http://www.ruby-forum.com/.