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massiv-test Test.Massiv.Utils The isJust function returns True iff its argument is of the form Just _.
Examples
Basic usage:>>> isJust (Just 3) True
>>> isJust (Just ()) True
>>> isJust Nothing False
Only the outer constructor is taken into consideration:>>> isJust (Just Nothing) True
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Adjustable (es :: Set Type) (es' :: Set Type)moffy Control.Moffy No documentation available.
adjust :: Adjustable es es' => React s es a -> React s es' amoffy Control.Moffy No documentation available.
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moffy Control.Moffy No documentation available.
class
Adjustable (es :: Set Type) (es' :: Set Type)moffy Control.Moffy.Internal.React No documentation available.
adjust :: Adjustable es es' => React s es a -> React s es' amoffy Control.Moffy.Internal.React No documentation available.
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moffy Control.Moffy.Internal.Sig No documentation available.
adjust :: (a -> a) -> Int -> MonoidalIntMap a -> MonoidalIntMap amonoidal-containers Data.IntMap.Monoidal No documentation available.
adjustWithKey :: (Int -> a -> a) -> Int -> MonoidalIntMap a -> MonoidalIntMap amonoidal-containers Data.IntMap.Monoidal No documentation available.
adjust :: (a -> a) -> Int -> MonoidalIntMap a -> MonoidalIntMap amonoidal-containers Data.IntMap.Monoidal.Strict No documentation available.