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Within LTS Haskell 24.41 (ghc-9.10.3)

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  1. mapMetadata :: AsMetadata a => (SExpr -> a) -> Identifier -> Identifier

    grisette Grisette.Internal.Core.Data.Symbol

    Modify the metadata of an identifier.

  2. mapMaybe :: Ord k => (a -> Maybe b) -> Map k a -> Map k b

    hashmap Data.HashMap

    Map values and collect the Just results.

  3. mapMaybeWithKey :: Ord k => (k -> a -> Maybe b) -> Map k a -> Map k b

    hashmap Data.HashMap

    Map keys/values and collect the Just results.

  4. mapMG :: (ModSummary -> ModSummary) -> ModuleGraph -> ModuleGraph

    hie-bios HIE.Bios.Ghc.Gap

    Map a function f over all the ModSummaries. To preserve invariants f can't change the isBoot status.

  5. mapMaybeI :: Monoidal f => (a -> f (Maybe b)) -> [a] -> f [b]

    invertible Control.Invertible.Monoidal

    Map each element to a Maybe monoidal and sequence the results (like traverse and mapMaybe).

  6. mapM_ :: (Functor m, Monad m) => (a -> m b) -> Stream m a -> Stream m ()

    leveldb-haskell Data.Stream.Monadic

    No documentation available.

  7. mapMonad :: forall (s :: Type -> Type) m m' x . (Functor s, Monad m, Monad m') => (forall y . () => m y -> m' y) -> Coroutine s m x -> Coroutine s m' x

    monad-coroutine Control.Monad.Coroutine

    Change the base monad of a Coroutine.

  8. mapMaybeT :: (m (Maybe a) -> n (Maybe b)) -> MaybeT m a -> MaybeT n b

    monadology Control.Monad.Ology.Specific.MaybeT

    Transform the computation inside a MaybeT.

  9. mapMaybeFieldsWithNulls :: ProductProfunctor p => p (Field SqlBool) (Field SqlBool) -> WithNulls p a b -> WithNulls p (MaybeFields a) (MaybeFields b)

    opaleye Opaleye.Internal.MaybeFields

    This is only safe if b is OK with having nulls passed through it when they claim to be non-null.

  10. mapMaybeBuilder :: (BuildInstruction a -> Maybe (BuildInstruction b)) -> Builder a -> Builder b

    opt-env-conf OptEnvConf.Setting

    No documentation available.

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