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Ошибка в первом упражнении главы 9 #96

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nlv opened this issue Nov 12, 2019 · 0 comments
Open

Ошибка в первом упражнении главы 9 #96

nlv opened this issue Nov 12, 2019 · 0 comments

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@nlv
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nlv commented Nov 12, 2019

Было:

sum $ take 3 $ filter (odd . fst) $ zip [1 ..] [1, undefined, 2, undefined, 3, undefined, undefined]

Надо, например, так:

sum $ map fst $ take 3 $ filter (odd . fst) $ zip [1 ..] [1, undefined, 2, undefined, 3, undefined, undefined]

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