From: Eugen Ciur <eugen@...>
Date: 2010-08-03T17:41:13+09:00
Subject: Re: Block variable & Local variable

|num| inside block iterates through array's items.
Last item in array is 5, thus |num| value will be the one from last 
iteration of 'each' method.
It is better to rename |num| to something else,  |item| for example.
-----
Eugen

On 08/03/2010 11:19 AM, Amir Ebrahimifard wrote:
> Hi
> What does happen for "num" variable in this code :
>
> array = [1,2,3,4,5]
> x = 1
> num = 1
> array.each { |num| puts num*20 + x }
>
> ( after this code when I type "puts num , ruby return 5 ! why? )
>