From: Victor Reyes <victor.reyes@...>
Date: 2008-05-08T21:33:37+09:00
Subject: Re: Any reason why this code should not work - The Ruby Way, p270

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Embarrassing!!!!!!!!! To say the least!
Even when I copy, I don't copy right!

Thank you Jano!

On Thu, May 8, 2008 at 8:22 AM, Jano Svitok <jan.svitok@gmail.com> wrote:

> On Thu, May 8, 2008 at 2:09 PM, Victor Reyes <victor.reyes@gmail.com>
> 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 }
> +             self.each{|x| k[x]+=1 }
>
> # notice the = sign, you have not stored the result anywhere.
>
> >             k
> >        end
> >  end
> >
> >
> >
> >     @aa = [
> >
> >
>  [123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789],
> >
> >
>  [123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789],
> >
> >
>  [123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789],
> >
> >
>  [123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789],
> >
> >
>  [123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789],
> >
> >
>  [123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789],
> >
> >
>  [123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789],
> >
> >
>  [123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789],
> >
> >
>  [123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789,123456789]
> >         ]
> >
> >     @ga = [
> >             [0,0,0,0,1,9,0,4,0],
> >             [0,0,4,8,0,0,6,0,0],
> >             [7,5,0,0,0,0,0,0,2],
> >             [0,9,0,1,0,2,0,0,4],
> >             [0,0,0,0,0,3,0,0,0],
> >             [5,0,0,4,0,6,0,3,0],
> >             [8,0,0,0,0,0,0,7,3],
> >             [0,0,6,0,0,8,4,0,0],
> >             [0,1,0,2,9,0,0,0,0]
> >             ]
> >
> >
> >  # Test the count method:
> >
> >          f = @ga[0].count
> >          puts "f = #{f}"           # The output here was: f =
> >
> >          f = @aa.count
> >          puts "f = #{f}"           # The output here was: f =
> >
>
>

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