10 lines
303 B
Python
10 lines
303 B
Python
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# inconsistentChar :: String -> Maybe (Int, Char)
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def inconsistentChar(s):
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'''Just the first inconsistent character and its index,
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or Nothing if all the characters of s are the same.
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'''
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return next(
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(Just(ix) for ix in enumerate(s) if s[0] != ix[1]),
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Nothing()
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)
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