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TheSeamau5/powerset-string.elm

Created April 28, 2016 02:35
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powerset-string.elm
powerSet : String -> List String
powerSet =
String.words
>> List.foldr (\x acc -> acc ++ List.map ((::) x) acc) [[]]
>> List.map (String.join " ")
>> List.filter ((/=) "")
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