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12 lines
237 B
12 lines
237 B
4 years ago
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module Main where
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allEven :: [Integer] -> [Integer]
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allEven [] = []
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allEven (h:t) = if even h then h:allEven t else allEven t
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-- >>> :t allEven
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-- allEven :: [Integer] -> [Integer]
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--
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main :: IO()
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main =
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print "yes"
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