From: Rolando Abarca <funkaster@...>
Date: 2008-05-08T21:26:45+09:00
Subject: Re: Any reason why this code should not work - The Ruby Way, p270

On May 8, 2008, at 8:09 AM, Victor Reyes wrote:

> I lifted the following code from The Ruby way and tried to use it.
> It does not output anything.
> Do anyone knows why?
>
> Thank you
>
> Victor
>
> ##############################
> # This code adds a count method to the Array class
> # This code was lifted from:
> #  The Ruby Way
> #  Second Edition
> #  By: Hal Fulton
> #  Page: 270
> ##############################
> class Array
>       def count
>            k=Hash.new(0)
>            self.each{|x| k[x]+1 }
>            k
>       end
> end

I think it should read:

def count
   k = Hash.new(0)
   self.each { |x| k[x] += 1 }
   k
end

The problem is that inside the 'each' loop you're not asigning any  
value.
regards,
-- 
Rolando Abarca M.