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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
sh.new(0)
            self.each{|x| k[x]+1 }
            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 -----art_894_8186584.1210248566648--