Hoogle Search

Within LTS Haskell 24.4 (ghc-9.10.2)

Note that Stackage only displays results for the latest LTS and Nightly snapshot. Learn more.

Exact lookup

1. mapMaybeOccEnv :: (a -> Maybe b) -> OccEnv a -> OccEnv b

   ghc	GHC.Plugins

   mapMaybe for b OccEnv.

2. mapMaybeFvRn :: (a -> RnM (b, FreeVars)) -> Maybe a -> RnM (Maybe b, FreeVars)

   ghc	GHC.Rename.Utils

   No documentation available.

3. mapMaybeNameEnv :: (a -> Maybe b) -> NameEnv a -> NameEnv b

   ghc	GHC.Types.Name.Env

   No documentation available.

4. mapMaybeOccEnv :: (a -> Maybe b) -> OccEnv a -> OccEnv b

   ghc	GHC.Types.Name.Occurrence

   mapMaybe for b OccEnv.

5. mapMaybeModuleEnv :: (Module -> a -> Maybe b) -> ModuleEnv a -> ModuleEnv b

   ghc	GHC.Unit.Module.Env

   No documentation available.

6. mapMaybe' :: Foldable f => (a -> Maybe b) -> f a -> [b]

   ghc	GHC.Utils.Misc

   No documentation available.

7. mapMaybeM :: Applicative m => (a -> m (Maybe b)) -> [a] -> m [b]

   ghc	GHC.Utils.Monad

   Applicative version of mapMaybe

8. mapMaybeWithKey :: (Key -> a -> Maybe b) -> CharMap a -> CharMap b

   regex-tdfa	Data.IntMap.CharMap2

   No documentation available.

9. mapMaybeWithKey :: Enum key => (key -> a -> Maybe b) -> EnumMap key a -> EnumMap key b

   regex-tdfa	Data.IntMap.EnumMap2

   No documentation available.

10. mapMaybeWithKey :: (k -> v1 -> Maybe v2) -> HashMap k v1 -> HashMap k v2

    rio	RIO.HashMap

    Transform this map by applying a function to every value and retaining only some of them.

Page 18 of many | Previous | Next