From: Thufir <hawat.thufir@...>
Date: 2007-10-27T19:57:48+09:00
Subject: Re: .each do |foo, bar|     what does bar do?

On Thu, 25 Oct 2007 06:14:12 +0900, Ben Giddings wrote:

> Because "yield" has two arguments, the block you pass each should have
> two parameters, which it does.  If you used this instead:
> 
> code_words.each do |foo|
>   ...
> end
> 
> Foo would be assigned an array containing both things sent by "yield",
> i.e. foo[0] would be the same as real, and foo[1] would be the same as
> code.


I don't see what's wrong with having foo[0] and foo[1], but, yes, it's 
clearer to instead use foo and bar instead.  Ok, that convinces me that 
it's good to do it this way, thank you.

I just can't wrap my mind around *what's* being iterated through.  I 
guess it's the way that, as you put it, the "yield(current_hash_key, 
current_hash_value)" is happening behind the scenes.


-Thufir