Re: [Haskell-cafe] how to calculate the sum of list of lists?

If I understand you correctly, this should do it: sums :: Num a => [[a]] -> a sums l = sum [sum p | p <- l] -Eric On 2/5/07, Miranda Kajtazi wrote:

Help,

How to calculate the sum of list of lists in Haskell? Please help me, Miranda

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