module Zeamays
  class Cob
    module Growth
      @rows = []

      def initialize(rows = [])
        @rows = rows
      end

      def grow!(*row)
        # Expanding single item Array
        if row.is_a? Array and row.length == 1 and row[0].is_a? Array
          row = row[0]
        end
        @rows << row
      end

      def grow(*row)
        grow!(*row)
      end
    end
  end
end