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Within LTS Haskell 24.6 (ghc-9.10.2)

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1. mapMaybe :: Ord b => (a -> Maybe b) -> MaxQueue a -> MaxQueue b

   pqueue	Data.PQueue.Max

   Maps a function over the elements of the queue, and collects the Just values.

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

   pqueue	Data.PQueue.Min

   Map elements and collect the Just results.

3. mapMWithKey :: (Ord k, Monad m) => (k -> a -> m b) -> MaxPQueue k a -> m (MaxPQueue k b)

   pqueue	Data.PQueue.Prio.Max

   A strictly accumulating version of traverseWithKey. This works well in IO and strict State, and is likely what you want for other "strict" monads, where ⊥ >>= pure () = ⊥.

4. mapMaybe :: Ord k => (a -> Maybe b) -> MaxPQueue k a -> MaxPQueue k b

   pqueue	Data.PQueue.Prio.Max

   Map values and collect the Just results.

5. mapMaybeWithKey :: Ord k => (k -> a -> Maybe b) -> MaxPQueue k a -> MaxPQueue k b

   pqueue	Data.PQueue.Prio.Max

   Map values and collect the Just results.

6. mapMWithKey :: (Ord k, Monad m) => (k -> a -> m b) -> MinPQueue k a -> m (MinPQueue k b)

   pqueue	Data.PQueue.Prio.Min

   A strictly accumulating version of traverseWithKey. This works well in IO and strict State, and is likely what you want for other "strict" monads, where ⊥ >>= pure () = ⊥.

7. mapMaybe :: Ord k => (a -> Maybe b) -> MinPQueue k a -> MinPQueue k b

   pqueue	Data.PQueue.Prio.Min

   Map values and collect the Just results.

8. mapMaybeWithKey :: Ord k => (k -> a -> Maybe b) -> MinPQueue k a -> MinPQueue k b

   pqueue	Data.PQueue.Prio.Min

   Map values and collect the Just results.

9. mapMBound :: forall m (f :: Type -> Type) b c a . (Monad m, Traversable f) => (b -> m c) -> Scope b f a -> m (Scope c f a)

   bound	Bound.Scope

   mapM over both bound and free variables

10. mapMBound_ :: forall g (f :: Type -> Type) b d a . (Monad g, Foldable f) => (b -> g d) -> Scope b f a -> g ()

    bound	Bound.Scope

    mapM_ over the variables bound by this scope

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