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시리즈: haskell haskell 12 줄 · 업데이트 2026-02-03

StringOps.hs

haskell/StringOps.hs

-- Exercise 9
module StringOps where

-- Put a character at the front of a string
prepend :: Char -> String -> String
prepend ch s = ch : s

-- Put a character at the end of a string (recursive)
append :: Char -> String -> String
append ch []     = [ch]
append ch (x:xs) = x : append ch xs
-- (equivalently: append ch s = s ++ [ch])
← 이전

ListFunctions.hs

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BinaryTree.hs

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