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erubboli/correct_composite.rb

Created September 11, 2010 10:50
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correct_composite.rb
module Leaf
# ..omitted code..
def total_leafs
1
end
end
module Composite
# .. omitted code..
def total_leafs
@children.inject(0) {|sum, child| sum + child.total_leafs }
end
end
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