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Sum of positives in Haskell
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| positiveSum :: [Int] -> Int | |
| positiveSum a = | |
| let | |
| positives = filter (>0) a | |
| in | |
| foldl (+) 0 positives | |
| # …OR… | |
| positiveSum :: [Int] -> Int | |
| positiveSum a = | |
| let | |
| positives = filter (>0) a | |
| in | |
| sum positives | |
| # …OR... pointfree style | |
| positiveSum :: [Int] -> Int | |
| positiveSum = | |
| foldl (+) 0 . filter (>0) | |
| # …OR just… | |
| positiveSum :: [Int] -> Int | |
| positiveSum = | |
| sum . filter (>0) |
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