From: Guglielmo Fachini <guglielmo.fachini@...>
Date: 2010-08-03T17:53:05+09:00
Subject: Re: Block variable & Local variable

Eugen Ciur wrote:
> |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

I've tried it in my machine and the output is 1...

C:\Users\Guglielmo>ruby -v
ruby 1.9.1p378 (2010-01-10 revision 26273) [i386-mingw32]

C:\Users\Guglielmo>ruby
array = [1,2,3,4,5]
x = 1
num = 1
array.each { |num| puts num*20 + x }
puts num
^D
21
41
61
81
101
1
-- 
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