Created
October 13, 2014 13:16
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| rot13 = map (rot13' pairs) where | |
| pairs = (zip s1 s2) ++ (zip s2 s1) | |
| s1 = ['a'..'m'] ++ ['A'..'M'] ++ ['0'..'4'] | |
| s2 = ['n'..'z'] ++ ['N'..'Z'] ++ ['5'..'9'] | |
| rot13' [] ch = c | |
| rot13' ((p,q):cs) c = if c == p then q else (rot13' cs c) | |
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