shuuji3.xyz / normal-haskell-programming-book
[READ-ONLY] Mirror of https://github.com/shuuji3/normal-haskell-programming-book. Codes for『ふつうのHaskellプログラミング』http://www.loveruby.net/ja/stdhaskell/
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normal-haskell-programming-book / expand.hs
236 B 12 lines
1tabStop = 8 2 3main :: IO () 4main = do cs <- getContents 5 putStr $ expand cs 6 7expand :: String -> String 8expand cs = concatMap expandTab cs 9 10expandTab :: Char -> String 11expandTab '\t' = replicate tabStop ' ' 12expandTab c = [c]