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|
-- | Generic class with properties and methods that are available for all
-- different implementations ('IntPSQ', 'OrdPSQ' and 'HashPSQ').
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE Rank2Types #-}
{-# LANGUAGE ScopedTypeVariables #-}
module Data.PSQ.Class
( PSQ (..)
) where
import Data.Hashable (Hashable)
import qualified Data.IntPSQ as IntPSQ
import qualified Data.HashPSQ as HashPSQ
import qualified Data.OrdPSQ as OrdPSQ
class PSQ (psq :: * -> * -> *) where
type Key psq :: *
-- Query
null
:: Ord p => psq p v -> Bool
size
:: Ord p => psq p v -> Int
member
:: Ord p => Key psq -> psq p v -> Bool
lookup
:: Ord p => Key psq -> psq p v -> Maybe (p, v)
findMin
:: Ord p => psq p v -> Maybe (Key psq, p, v)
-- Construction
empty
:: Ord p => psq p v
singleton
:: Ord p => Key psq -> p -> v -> psq p v
-- Insertion
insert
:: Ord p => Key psq -> p -> v -> psq p v -> psq p v
-- Delete/update
delete
:: Ord p => Key psq -> psq p v -> psq p v
deleteMin
:: Ord p => psq p v -> psq p v
alter
:: Ord p
=> (Maybe (p, v) -> (b, Maybe (p, v)))
-> Key psq -> psq p v -> (b, psq p v)
alterMin
:: Ord p
=> (Maybe (Key psq, p, v) -> (b, Maybe (Key psq, p, v)))
-> psq p v -> (b, psq p v)
-- Lists
fromList
:: Ord p => [(Key psq, p, v)] -> psq p v
toList
:: Ord p => psq p v -> [(Key psq, p, v)]
keys
:: Ord p => psq p v -> [Key psq]
-- Views
insertView
:: Ord p => Key psq -> p -> v -> psq p v -> (Maybe (p, v), psq p v)
deleteView
:: Ord p => Key psq -> psq p v -> Maybe (p, v, psq p v)
minView
:: Ord p => psq p v -> Maybe (Key psq, p, v, psq p v)
atMostView
:: Ord p => p -> psq p v -> ([(Key psq, p, v)], psq p v)
-- Traversals
map :: Ord p => (Key psq -> p -> v -> w) -> psq p v -> psq p w
unsafeMapMonotonic
:: (Ord p, Ord q) => (Key psq -> p -> v -> (q, w)) -> psq p v -> psq q w
fold'
:: Ord p => (Key psq -> p -> v -> a -> a) -> a -> psq p v -> a
-- Validity check
valid
:: Ord p => psq p v -> Bool
instance PSQ IntPSQ.IntPSQ where
type Key IntPSQ.IntPSQ = Int
null = IntPSQ.null
size = IntPSQ.size
member = IntPSQ.member
lookup = IntPSQ.lookup
findMin = IntPSQ.findMin
empty = IntPSQ.empty
singleton = IntPSQ.singleton
insert = IntPSQ.insert
delete = IntPSQ.delete
deleteMin = IntPSQ.deleteMin
alter = IntPSQ.alter
alterMin = IntPSQ.alterMin
fromList = IntPSQ.fromList
toList = IntPSQ.toList
keys = IntPSQ.keys
insertView = IntPSQ.insertView
deleteView = IntPSQ.deleteView
minView = IntPSQ.minView
atMostView = IntPSQ.atMostView
map = IntPSQ.map
unsafeMapMonotonic = IntPSQ.unsafeMapMonotonic
fold' = IntPSQ.fold'
valid = IntPSQ.valid
instance forall k. Ord k => PSQ (OrdPSQ.OrdPSQ k) where
type Key (OrdPSQ.OrdPSQ k) = k
null = OrdPSQ.null
size = OrdPSQ.size
member = OrdPSQ.member
lookup = OrdPSQ.lookup
findMin = OrdPSQ.findMin
empty = OrdPSQ.empty
singleton = OrdPSQ.singleton
insert = OrdPSQ.insert
delete = OrdPSQ.delete
deleteMin = OrdPSQ.deleteMin
alter = OrdPSQ.alter
alterMin = OrdPSQ.alterMin
fromList = OrdPSQ.fromList
toList = OrdPSQ.toList
keys = OrdPSQ.keys
insertView = OrdPSQ.insertView
deleteView = OrdPSQ.deleteView
minView = OrdPSQ.minView
atMostView = OrdPSQ.atMostView
map = OrdPSQ.map
unsafeMapMonotonic = OrdPSQ.unsafeMapMonotonic
fold' = OrdPSQ.fold'
valid = OrdPSQ.valid
instance forall k. (Hashable k, Ord k) => PSQ (HashPSQ.HashPSQ k) where
type Key (HashPSQ.HashPSQ k) = k
null = HashPSQ.null
size = HashPSQ.size
member = HashPSQ.member
lookup = HashPSQ.lookup
findMin = HashPSQ.findMin
empty = HashPSQ.empty
singleton = HashPSQ.singleton
insert = HashPSQ.insert
delete = HashPSQ.delete
deleteMin = HashPSQ.deleteMin
alter = HashPSQ.alter
alterMin = HashPSQ.alterMin
fromList = HashPSQ.fromList
toList = HashPSQ.toList
keys = HashPSQ.keys
insertView = HashPSQ.insertView
deleteView = HashPSQ.deleteView
minView = HashPSQ.minView
atMostView = HashPSQ.atMostView
map = HashPSQ.map
unsafeMapMonotonic = HashPSQ.unsafeMapMonotonic
fold' = HashPSQ.fold'
valid = HashPSQ.valid
|
