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gpherguson/gist:700004

Created November 15, 2010 03:33
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gistfile1.rb
class Dungeon
@@levels = []
def add_level(n, h, w)
@@levels[n] = Level.new(h, w)
end
end
class Level
def initialize(height, width)
@height, @width = height, width
end
end
#/home/lewis/code/ruby/map.rb:4:in `add_level': undefined method `[]=' for nil:NilClass (NoMethodError)
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changed @levels to a class variable @@levels

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