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 / swapa.hs
177 B 8 lines
1main :: IO () 2main = do cs <- getContents 3 putStr $ concatMap translate cs 4 5translate :: Char -> String 6translate 'a' = ['A'] 7translate 'A' = ['a'] 8translate c = [c]