Distinct power numbers: Difference between revisions

m
Line 378:
(\xs -> [x ^ y | x <- xs, y <- xs]) [2 .. 5]</lang>
 
or equivalentliftA2 expression:
<lang haskell>import qualified DataControl.Set asApplicative S(liftA2)
import Control.Monad (join)
import qualified Data.Set as S
 
main :: IO ()
main =
(print . S.elems . S.fromList) $
join
(\xs -> xs >>= (<$> xs) . (^))
(liftA2 (^))
[2 .. 5]</lang>
{{Out}}
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