Safe Haskell	Safe
Language	Haskell98

Reflex.Patch.MapWithMove

Description

Patches on Map that can insert, delete, and move values from one key to another

Synopsis

newtype PatchMapWithMove k v = PatchMapWithMove (Map k (NodeInfo k v))
data NodeInfo k v = NodeInfo {
- _nodeInfo_from :: !(From k v)
- _nodeInfo_to :: !(To k)
}
data From k v
- = From_Insert v
- | From_Delete
- | From_Move !k
type To = Maybe
patchMapWithMove :: Ord k => Map k (NodeInfo k v) -> Maybe (PatchMapWithMove k v)
patchMapWithMoveInsertAll :: Map k v -> PatchMapWithMove k v
unPatchMapWithMove :: PatchMapWithMove k v -> Map k (NodeInfo k v)
insertMapKey :: k -> v -> PatchMapWithMove k v
moveMapKey :: Ord k => k -> k -> PatchMapWithMove k v
swapMapKey :: Ord k => k -> k -> PatchMapWithMove k v
deleteMapKey :: k -> PatchMapWithMove k v
unsafePatchMapWithMove :: Map k (NodeInfo k v) -> PatchMapWithMove k v
patchMapWithMoveNewElements :: PatchMapWithMove k v -> [v]
patchMapWithMoveNewElementsMap :: PatchMapWithMove k v -> Map k v
patchThatSortsMapWith :: Ord k => (v -> v -> Ordering) -> Map k v -> PatchMapWithMove k v
patchThatChangesAndSortsMapWith :: forall k v. (Ord k, Ord v) => (v -> v -> Ordering) -> Map k v -> Map k v -> PatchMapWithMove k v
patchThatChangesMap :: (Ord k, Ord v) => Map k v -> Map k v -> PatchMapWithMove k v
nodeInfoMapFrom :: (From k v -> From k v) -> NodeInfo k v -> NodeInfo k v
nodeInfoMapMFrom :: Functor f => (From k v -> f (From k v)) -> NodeInfo k v -> f (NodeInfo k v)
nodeInfoSetTo :: To k -> NodeInfo k v -> NodeInfo k v
data Fixup k v
- = Fixup_Delete
- | Fixup_Update (These (From k v) (To k))

Documentation

newtype PatchMapWithMove k v Source #

Patch a DMap with additions, deletions, and moves. Invariant: If key k1 is coming from From_Move k2, then key k2 should be going to Just k1, and vice versa. There should never be any unpaired From/To keys.

Constructors

PatchMapWithMove (Map k (NodeInfo k v))

Instances

Functor (PatchMapWithMove k) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods fmap :: (a -> b) -> PatchMapWithMove k a -> PatchMapWithMove k b # (<$) :: a -> PatchMapWithMove k b -> PatchMapWithMove k a #
Foldable (PatchMapWithMove k) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods fold :: Monoid m => PatchMapWithMove k m -> m # foldMap :: Monoid m => (a -> m) -> PatchMapWithMove k a -> m # foldr :: (a -> b -> b) -> b -> PatchMapWithMove k a -> b # foldr' :: (a -> b -> b) -> b -> PatchMapWithMove k a -> b # foldl :: (b -> a -> b) -> b -> PatchMapWithMove k a -> b # foldl' :: (b -> a -> b) -> b -> PatchMapWithMove k a -> b # foldr1 :: (a -> a -> a) -> PatchMapWithMove k a -> a # foldl1 :: (a -> a -> a) -> PatchMapWithMove k a -> a # toList :: PatchMapWithMove k a -> [a] # null :: PatchMapWithMove k a -> Bool # length :: PatchMapWithMove k a -> Int # elem :: Eq a => a -> PatchMapWithMove k a -> Bool # maximum :: Ord a => PatchMapWithMove k a -> a # minimum :: Ord a => PatchMapWithMove k a -> a # sum :: Num a => PatchMapWithMove k a -> a # product :: Num a => PatchMapWithMove k a -> a #
Traversable (PatchMapWithMove k) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods traverse :: Applicative f => (a -> f b) -> PatchMapWithMove k a -> f (PatchMapWithMove k b) # sequenceA :: Applicative f => PatchMapWithMove k (f a) -> f (PatchMapWithMove k a) # mapM :: Monad m => (a -> m b) -> PatchMapWithMove k a -> m (PatchMapWithMove k b) # sequence :: Monad m => PatchMapWithMove k (m a) -> m (PatchMapWithMove k a) #
(Eq k, Eq v) => Eq (PatchMapWithMove k v) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods (==) :: PatchMapWithMove k v -> PatchMapWithMove k v -> Bool # (/=) :: PatchMapWithMove k v -> PatchMapWithMove k v -> Bool #
(Ord k, Ord v) => Ord (PatchMapWithMove k v) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods compare :: PatchMapWithMove k v -> PatchMapWithMove k v -> Ordering # (<) :: PatchMapWithMove k v -> PatchMapWithMove k v -> Bool # (<=) :: PatchMapWithMove k v -> PatchMapWithMove k v -> Bool # (>) :: PatchMapWithMove k v -> PatchMapWithMove k v -> Bool # (>=) :: PatchMapWithMove k v -> PatchMapWithMove k v -> Bool # max :: PatchMapWithMove k v -> PatchMapWithMove k v -> PatchMapWithMove k v # min :: PatchMapWithMove k v -> PatchMapWithMove k v -> PatchMapWithMove k v #
(Show k, Show v) => Show (PatchMapWithMove k v) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods showsPrec :: Int -> PatchMapWithMove k v -> ShowS # show :: PatchMapWithMove k v -> String # showList :: [PatchMapWithMove k v] -> ShowS #
Ord k => Semigroup (PatchMapWithMove k v) Source #	Compose patches having the same effect as applying the patches in turn: `applyAlways (p <> q) == applyAlways p . applyAlways q`
Instance details Defined in Reflex.Patch.MapWithMove Methods (<>) :: PatchMapWithMove k v -> PatchMapWithMove k v -> PatchMapWithMove k v # sconcat :: NonEmpty (PatchMapWithMove k v) -> PatchMapWithMove k v # stimes :: Integral b => b -> PatchMapWithMove k v -> PatchMapWithMove k v #
Ord k => Monoid (PatchMapWithMove k v) Source #	Compose patches having the same effect as applying the patches in turn: `applyAlways (p <> q) == applyAlways p . applyAlways q`
Instance details Defined in Reflex.Patch.MapWithMove Methods mempty :: PatchMapWithMove k v # mappend :: PatchMapWithMove k v -> PatchMapWithMove k v -> PatchMapWithMove k v # mconcat :: [PatchMapWithMove k v] -> PatchMapWithMove k v #
Ord k => Patch (PatchMapWithMove k v) Source #	Apply the insertions, deletions, and moves to a given `Map`
Instance details Defined in Reflex.Patch.MapWithMove Associated Types type PatchTarget (PatchMapWithMove k v) :: Type Source # Methods apply :: PatchMapWithMove k v -> PatchTarget (PatchMapWithMove k v) -> Maybe (PatchTarget (PatchMapWithMove k v)) Source #
type PatchTarget (PatchMapWithMove k v) Source #
Instance details Defined in Reflex.Patch.MapWithMove type PatchTarget (PatchMapWithMove k v) = Map k v

data NodeInfo k v Source #

Holds the information about each key: where its new value should come from, and where its old value should go to

Constructors

NodeInfo
Fields _nodeInfo_from :: !(From k v) Where do we get the new value for this key? _nodeInfo_to :: !(To k) If the old value is being kept (i.e. moved rather than deleted or replaced), where is it going?

Instances

Functor (NodeInfo k) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods fmap :: (a -> b) -> NodeInfo k a -> NodeInfo k b # (<$) :: a -> NodeInfo k b -> NodeInfo k a #
Foldable (NodeInfo k) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods fold :: Monoid m => NodeInfo k m -> m # foldMap :: Monoid m => (a -> m) -> NodeInfo k a -> m # foldr :: (a -> b -> b) -> b -> NodeInfo k a -> b # foldr' :: (a -> b -> b) -> b -> NodeInfo k a -> b # foldl :: (b -> a -> b) -> b -> NodeInfo k a -> b # foldl' :: (b -> a -> b) -> b -> NodeInfo k a -> b # foldr1 :: (a -> a -> a) -> NodeInfo k a -> a # foldl1 :: (a -> a -> a) -> NodeInfo k a -> a # toList :: NodeInfo k a -> [a] # null :: NodeInfo k a -> Bool # length :: NodeInfo k a -> Int # elem :: Eq a => a -> NodeInfo k a -> Bool # maximum :: Ord a => NodeInfo k a -> a # minimum :: Ord a => NodeInfo k a -> a # sum :: Num a => NodeInfo k a -> a # product :: Num a => NodeInfo k a -> a #
Traversable (NodeInfo k) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods traverse :: Applicative f => (a -> f b) -> NodeInfo k a -> f (NodeInfo k b) # sequenceA :: Applicative f => NodeInfo k (f a) -> f (NodeInfo k a) # mapM :: Monad m => (a -> m b) -> NodeInfo k a -> m (NodeInfo k b) # sequence :: Monad m => NodeInfo k (m a) -> m (NodeInfo k a) #
(Eq v, Eq k) => Eq (NodeInfo k v) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods (==) :: NodeInfo k v -> NodeInfo k v -> Bool # (/=) :: NodeInfo k v -> NodeInfo k v -> Bool #
(Ord v, Ord k) => Ord (NodeInfo k v) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods compare :: NodeInfo k v -> NodeInfo k v -> Ordering # (<) :: NodeInfo k v -> NodeInfo k v -> Bool # (<=) :: NodeInfo k v -> NodeInfo k v -> Bool # (>) :: NodeInfo k v -> NodeInfo k v -> Bool # (>=) :: NodeInfo k v -> NodeInfo k v -> Bool # max :: NodeInfo k v -> NodeInfo k v -> NodeInfo k v # min :: NodeInfo k v -> NodeInfo k v -> NodeInfo k v #
(Read v, Read k) => Read (NodeInfo k v) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods readsPrec :: Int -> ReadS (NodeInfo k v) # readList :: ReadS [NodeInfo k v] # readPrec :: ReadPrec (NodeInfo k v) # readListPrec :: ReadPrec [NodeInfo k v] #
(Show v, Show k) => Show (NodeInfo k v) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods showsPrec :: Int -> NodeInfo k v -> ShowS # show :: NodeInfo k v -> String # showList :: [NodeInfo k v] -> ShowS #

data From k v Source #

Describe how a key's new value should be produced

Constructors

From_Insert v	Insert the given value here
From_Delete	Delete the existing value, if any, from here
From_Move !k	Move the value here from the given key

Instances

Functor (From k) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods fmap :: (a -> b) -> From k a -> From k b # (<$) :: a -> From k b -> From k a #
Foldable (From k) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods fold :: Monoid m => From k m -> m # foldMap :: Monoid m => (a -> m) -> From k a -> m # foldr :: (a -> b -> b) -> b -> From k a -> b # foldr' :: (a -> b -> b) -> b -> From k a -> b # foldl :: (b -> a -> b) -> b -> From k a -> b # foldl' :: (b -> a -> b) -> b -> From k a -> b # foldr1 :: (a -> a -> a) -> From k a -> a # foldl1 :: (a -> a -> a) -> From k a -> a # toList :: From k a -> [a] # null :: From k a -> Bool # length :: From k a -> Int # elem :: Eq a => a -> From k a -> Bool # maximum :: Ord a => From k a -> a # minimum :: Ord a => From k a -> a # sum :: Num a => From k a -> a # product :: Num a => From k a -> a #
Traversable (From k) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods traverse :: Applicative f => (a -> f b) -> From k a -> f (From k b) # sequenceA :: Applicative f => From k (f a) -> f (From k a) # mapM :: Monad m => (a -> m b) -> From k a -> m (From k b) # sequence :: Monad m => From k (m a) -> m (From k a) #
(Eq v, Eq k) => Eq (From k v) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods (==) :: From k v -> From k v -> Bool # (/=) :: From k v -> From k v -> Bool #
(Ord v, Ord k) => Ord (From k v) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods compare :: From k v -> From k v -> Ordering # (<) :: From k v -> From k v -> Bool # (<=) :: From k v -> From k v -> Bool # (>) :: From k v -> From k v -> Bool # (>=) :: From k v -> From k v -> Bool # max :: From k v -> From k v -> From k v # min :: From k v -> From k v -> From k v #
(Read v, Read k) => Read (From k v) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods readsPrec :: Int -> ReadS (From k v) # readList :: ReadS [From k v] # readPrec :: ReadPrec (From k v) # readListPrec :: ReadPrec [From k v] #
(Show v, Show k) => Show (From k v) Source #
Instance details Defined in Reflex.Patch.MapWithMove Methods showsPrec :: Int -> From k v -> ShowS # show :: From k v -> String # showList :: [From k v] -> ShowS #

type To = Maybe Source #

Describe where a key's old value will go. If this is Just, that means the key's old value will be moved to the given other key; if it is Nothing, that means it will be deleted.

patchMapWithMove :: Ord k => Map k (NodeInfo k v) -> Maybe (PatchMapWithMove k v) Source #

Create a PatchMapWithMove, validating it

patchMapWithMoveInsertAll :: Map k v -> PatchMapWithMove k v Source #

Create a PatchMapWithMove that inserts everything in the given Map

unPatchMapWithMove :: PatchMapWithMove k v -> Map k (NodeInfo k v) Source #

Extract the internal representation of the PatchMapWithMove

insertMapKey :: k -> v -> PatchMapWithMove k v Source #

Make a PatchMapWithMove k v which has the effect of inserting or updating a value v to the given key k, like insert.

moveMapKey :: Ord k => k -> k -> PatchMapWithMove k v Source #

Make a PatchMapWithMove k v which has the effect of moving the value from the first key k to the second key k, equivalent to:

    delete src (maybe map (insert dst) (Map.lookup src map))

swapMapKey :: Ord k => k -> k -> PatchMapWithMove k v Source #

Make a PatchMapWithMove k v which has the effect of swapping two keys in the mapping, equivalent to:

    let aMay = Map.lookup a map
        bMay = Map.lookup b map
    in maybe id (Map.insert a) (bMay mplus aMay)
     . maybe id (Map.insert b) (aMay mplus bMay)
     . Map.delete a . Map.delete b $ map

deleteMapKey :: k -> PatchMapWithMove k v Source #

Make a PatchMapWithMove k v which has the effect of deleting a key in the mapping, equivalent to delete.

unsafePatchMapWithMove :: Map k (NodeInfo k v) -> PatchMapWithMove k v Source #

Wrap a Map k (NodeInfo k v) representing patch changes into a PatchMapWithMove k v, without checking any invariants.

Warning: when using this function, you must ensure that the invariants of PatchMapWithMove are preserved; they will not be checked.

patchMapWithMoveNewElements :: PatchMapWithMove k v -> [v] Source #

Returns all the new elements that will be added to the Map.

patchMapWithMoveNewElementsMap :: PatchMapWithMove k v -> Map k v Source #

Return a Map k v with all the inserts/updates from the given PatchMapWithMove k v.

patchThatSortsMapWith :: Ord k => (v -> v -> Ordering) -> Map k v -> PatchMapWithMove k v Source #

Create a PatchMapWithMove that, if applied to the given Map, will sort its values using the given ordering function. The set keys of the Map is not changed.

patchThatChangesAndSortsMapWith :: forall k v. (Ord k, Ord v) => (v -> v -> Ordering) -> Map k v -> Map k v -> PatchMapWithMove k v Source #

Create a PatchMapWithMove that, if applied to the first Map provided, will produce a Map with the same values as the second Map but with the values sorted with the given ordering function.

patchThatChangesMap :: (Ord k, Ord v) => Map k v -> Map k v -> PatchMapWithMove k v Source #

Create a PatchMapWithMove that, if applied to the first Map provided, will produce the second Map.

nodeInfoMapFrom :: (From k v -> From k v) -> NodeInfo k v -> NodeInfo k v Source #

Change the From value of a NodeInfo

nodeInfoMapMFrom :: Functor f => (From k v -> f (From k v)) -> NodeInfo k v -> f (NodeInfo k v) Source #

Change the From value of a NodeInfo, using a Functor (or Applicative, Monad, etc.) action to get the new value

nodeInfoSetTo :: To k -> NodeInfo k v -> NodeInfo k v Source #

Set the To field of a NodeInfo

data Fixup k v Source #

Helper data structure used for composing patches using the monoid instance.

Constructors

Fixup_Delete
Fixup_Update (These (From k v) (To k))