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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Call-an-object-method/Haskell/call-an-object-method.hs Normal file
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data Obj = Obj { field :: Int, method :: Int -> Int }
-- smart constructor
mkAdder :: Int -> Obj
mkAdder x = Obj x (+x)
-- adding method from a type class
instanse Show Obj where
show o = "Obj " ++ show (field o)