From: Dan Doel <djd15@...>
Date: 2003-08-21T01:52:51+09:00
Subject: Re: for/in loop

Paul Brannan wrote:

> It's definitely not pointless:
>
>  for i in [1, 2, 3]
>    x = i
>  end
>  p x #=> 3
>  
>  [1, 2, 3].each do
>    y = i
>  end
>  p y #=> test.rb:9: undefined local variable or method `y' for #<Object:0x40289ce0> (NameError)
>

To do the same using #each, you'd need:

y = nil
[1, 2, 3].each do|i|
    y = i
end

Which is uglier, I admit, but still possible.

- Dan