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Within LTS Haskell 24.34 (ghc-9.10.3)

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1. mapKeys :: Ord k' => (k -> k') -> MinPQueue k a -> MinPQueue k' a

   pqueue	Data.PQueue.Prio.Min

   mapKeys f q is the queue obtained by applying f to each key of q.

2. mapKeysMonotonic :: (k -> k') -> MinPQueue k a -> MinPQueue k' a

   pqueue	Data.PQueue.Prio.Min

   mapKeysMonotonic f q == mapKeys f q, but only works when f is (weakly) monotonic. The precondition is not checked. This function has better performance than mapKeys. Note: if the given function returns bottom for any of the keys in the queue, then the portion of the queue which is bottom is unspecified.

3. 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 () = ⊥.

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

   pqueue	Data.PQueue.Prio.Min

   Map values and collect the Just results.

5. 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.

6. mapWithKey :: (k -> a -> b) -> MinPQueue k a -> MinPQueue k b

   pqueue	Data.PQueue.Prio.Min

   Map a function over all values in the queue.

7. mappend :: Monoid a => a -> a -> a

   terminfo	System.Console.Terminfo.Base

   No documentation available.

8. mapBits :: (forall a . Bits a => a -> a) -> Vector Bit -> Vector Bit

   bitvec	Data.Bit

   Map a vectors with the given function. Similar to map, but faster.

   >>> :set -XOverloadedLists
   
   >>> import Data.Bits
   
   >>> mapBits complement [0,1,1]
   [1,0,0]
   

9. mapInPlace :: PrimMonad m => (forall a . Bits a => a -> a) -> MVector (PrimState m) Bit -> m ()

   bitvec	Data.Bit

   Apply a function to a mutable vector bitwise, rewriting its contents. Cf. mapBits.

   >>> :set -XOverloadedLists
   
   >>> import Data.Bits
   
   >>> Data.Vector.Unboxed.modify (mapInPlace complement) [0,1,1]
   [1,0,0]
   

10. mapBits :: (forall a . Bits a => a -> a) -> Vector Bit -> Vector Bit

    bitvec	Data.Bit.ThreadSafe

    Map a vectors with the given function. Similar to map, but faster.

    >>> :set -XOverloadedLists
    
    >>> import Data.Bits
    
    >>> mapBits complement [0,1,1]
    [1,0,0]
    

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