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QUESTION
When I write Haskell I meet a problem. I don't know why it tells that [Integer] cannot match [a]. In my opinion I think a is a general type....
When I write Haskell I meet a problem. I don't know why it tells that [Integer] cannot match [a]. In my opinion I think a is a general type. Acturally I don't know how to solve the problem.
calculateTotalOrderInventoryFloatItemOrder
