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list comprehension haskell

Palsmo answered on October 18, 2020 Popularity 10/10 Helpfulness 5/10

answer list comprehension haskell

list comprehension haskell

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list   = [1, 2, 3, 4]
list_  = [x | x <- list, even (2*x)]      -- [1, 2, 3, 4]
list__ = [x | x <- list, even x || odd x] -- [1, 2, 3, 4]

odds = [x | x <- list, odd x]                     -- [1, 3]
mul3s = [3*x | x <- list]                         -- [3, 6, 9, 12]
allCombinations = [(y, x) | x <- list, y <- list] -- [(1, 1), (1, 2) ...

Popularity 10/10 Helpfulness 5/10 Language haskell

Source: Grepper

Tags: haskell list-comprehension

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Contributed on Oct 18 2020

Palsmo

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