Hoogle Search
Within LTS Haskell 24.36 (ghc-9.10.3)
Note that Stackage only displays results for the latest LTS and Nightly snapshot. Learn more.
catMaybes :: Filterable f => f (Maybe a) -> f awitherable Witherable catMaybes ≡ mapMaybe id
forMaybe :: (Witherable t, Applicative f) => t a -> (a -> f (Maybe b)) -> f (t b)witherable Witherable forMaybe = flip wither
imapMaybe :: FilterableWithIndex i t => (i -> a -> Maybe b) -> t a -> t bwitherable Witherable No documentation available.
mapMaybe :: Filterable f => (a -> Maybe b) -> f a -> f bwitherable Witherable Like mapMaybe.
-
co-log-core Colog.Core.Action cmap for convertions that may fail
cmapMaybeM :: Monad m => (a -> m (Maybe b)) -> LogAction m b -> LogAction m aco-log-core Colog.Core.Action Similar to cmapMaybe but for convertions that may fail inside a monadic context.
catMaybes :: Num time => T time (Maybe body) -> T time bodyevent-list Data.EventList.Absolute.TimeBody No documentation available.
mapMaybe :: Num time => (body0 -> Maybe body1) -> T time body0 -> T time body1event-list Data.EventList.Absolute.TimeBody No documentation available.
partitionMaybe :: (body0 -> Maybe body1) -> T time body0 -> (T time body1, T time body0)event-list Data.EventList.Absolute.TimeBody No documentation available.
catMaybes :: Num time => T time (Maybe body) -> T time bodyevent-list Data.EventList.Absolute.TimeTime No documentation available.