EdisonCore-1.2.1: A library of efficient, purely-functional data structures (Core Implementations)ContentsIndex
Data.Edison.Seq.BankersQueue
PortabilityGHC, Hugs (MPTC and FD)
Stabilitystable
Maintainerrobdockins AT fastmail DOT fm
Contents
Sequence Type
Sequence operations
Unit testing
Documentation
Description

This module implements Banker's Queues. It has the standard running times from Data.Edison.Seq except for the following:

  • rcons, size, inBounds O( 1 )

References:

  • Chris Okasaki, Purely Functional Data Structures, 1998, sections 6.3.2 and 8.4.1.
  • Chris Okasaki, "Simple and efficient purely functional queues and deques", Journal of Function Programming 5(4):583-592, October 1995.
Synopsis
data Seq a
empty :: Seq a
singleton :: a -> Seq a
lcons :: a -> Seq a -> Seq a
rcons :: a -> Seq a -> Seq a
append :: Seq a -> Seq a -> Seq a
lview :: Monad m => Seq a -> m (a, Seq a)
lhead :: Seq a -> a
ltail :: Seq a -> Seq a
rview :: Monad m => Seq a -> m (a, Seq a)
rhead :: Seq a -> a
rtail :: Seq a -> Seq a
lheadM :: Monad m => Seq a -> m a
ltailM :: Monad m => Seq a -> m (Seq a)
rheadM :: Monad m => Seq a -> m a
rtailM :: Monad m => Seq a -> m (Seq a)
null :: Seq a -> Bool
size :: Seq a -> Int
concat :: Seq (Seq a) -> Seq a
reverse :: Seq a -> Seq a
reverseOnto :: Seq a -> Seq a -> Seq a
fromList :: [a] -> Seq a
toList :: Seq a -> [a]
map :: (a -> b) -> Seq a -> Seq b
concatMap :: (a -> Seq b) -> Seq a -> Seq b
fold :: (a -> b -> b) -> b -> Seq a -> b
fold' :: (a -> b -> b) -> b -> Seq a -> b
fold1 :: (a -> a -> a) -> Seq a -> a
fold1' :: (a -> a -> a) -> Seq a -> a
foldr :: (a -> b -> b) -> b -> Seq a -> b
foldr' :: (a -> b -> b) -> b -> Seq a -> b
foldl :: (b -> a -> b) -> b -> Seq a -> b
foldl' :: (b -> a -> b) -> b -> Seq a -> b
foldr1 :: (a -> a -> a) -> Seq a -> a
foldr1' :: (a -> a -> a) -> Seq a -> a
foldl1 :: (a -> a -> a) -> Seq a -> a
foldl1' :: (a -> a -> a) -> Seq a -> a
reducer :: (a -> a -> a) -> a -> Seq a -> a
reducer' :: (a -> a -> a) -> a -> Seq a -> a
reducel :: (a -> a -> a) -> a -> Seq a -> a
reducel' :: (a -> a -> a) -> a -> Seq a -> a
reduce1 :: (a -> a -> a) -> Seq a -> a
reduce1' :: (a -> a -> a) -> Seq a -> a
copy :: Int -> a -> Seq a
inBounds :: Int -> Seq a -> Bool
lookup :: Int -> Seq a -> a
lookupM :: Monad m => Int -> Seq a -> m a
lookupWithDefault :: a -> Int -> Seq a -> a
update :: Int -> a -> Seq a -> Seq a
adjust :: (a -> a) -> Int -> Seq a -> Seq a
mapWithIndex :: (Int -> a -> b) -> Seq a -> Seq b
foldrWithIndex :: (Int -> a -> b -> b) -> b -> Seq a -> b
foldrWithIndex' :: (Int -> a -> b -> b) -> b -> Seq a -> b
foldlWithIndex :: (b -> Int -> a -> b) -> b -> Seq a -> b
foldlWithIndex' :: (b -> Int -> a -> b) -> b -> Seq a -> b
take :: Int -> Seq a -> Seq a
drop :: Int -> Seq a -> Seq a
splitAt :: Int -> Seq a -> (Seq a, Seq a)
subseq :: Int -> Int -> Seq a -> Seq a
filter :: (a -> Bool) -> Seq a -> Seq a
partition :: (a -> Bool) -> Seq a -> (Seq a, Seq a)
takeWhile :: (a -> Bool) -> Seq a -> Seq a
dropWhile :: (a -> Bool) -> Seq a -> Seq a
splitWhile :: (a -> Bool) -> Seq a -> (Seq a, Seq a)
zip :: Seq a -> Seq b -> Seq (a, b)
zip3 :: Seq a -> Seq b -> Seq c -> Seq (a, b, c)
zipWith :: (a -> b -> c) -> Seq a -> Seq b -> Seq c
zipWith3 :: (a -> b -> c -> d) -> Seq a -> Seq b -> Seq c -> Seq d
unzip :: Seq (a, b) -> (Seq a, Seq b)
unzip3 :: Seq (a, b, c) -> (Seq a, Seq b, Seq c)
unzipWith :: (a -> b) -> (a -> c) -> Seq a -> (Seq b, Seq c)
unzipWith3 :: (a -> b) -> (a -> c) -> (a -> d) -> Seq a -> (Seq b, Seq c, Seq d)
strict :: Seq a -> Seq a
strictWith :: (a -> b) -> Seq a -> Seq a
structuralInvariant :: Seq a -> Bool
moduleName :: String
Sequence Type
data Seq a
show/hide Instances
Sequence operations
empty :: Seq a
singleton :: a -> Seq a
lcons :: a -> Seq a -> Seq a
rcons :: a -> Seq a -> Seq a
append :: Seq a -> Seq a -> Seq a
lview :: Monad m => Seq a -> m (a, Seq a)
lhead :: Seq a -> a
ltail :: Seq a -> Seq a
rview :: Monad m => Seq a -> m (a, Seq a)
rhead :: Seq a -> a
rtail :: Seq a -> Seq a
lheadM :: Monad m => Seq a -> m a
ltailM :: Monad m => Seq a -> m (Seq a)
rheadM :: Monad m => Seq a -> m a
rtailM :: Monad m => Seq a -> m (Seq a)
null :: Seq a -> Bool
size :: Seq a -> Int
concat :: Seq (Seq a) -> Seq a
reverse :: Seq a -> Seq a
reverseOnto :: Seq a -> Seq a -> Seq a
fromList :: [a] -> Seq a
toList :: Seq a -> [a]
map :: (a -> b) -> Seq a -> Seq b
concatMap :: (a -> Seq b) -> Seq a -> Seq b
fold :: (a -> b -> b) -> b -> Seq a -> b
fold' :: (a -> b -> b) -> b -> Seq a -> b
fold1 :: (a -> a -> a) -> Seq a -> a
fold1' :: (a -> a -> a) -> Seq a -> a
foldr :: (a -> b -> b) -> b -> Seq a -> b
foldr' :: (a -> b -> b) -> b -> Seq a -> b
foldl :: (b -> a -> b) -> b -> Seq a -> b
foldl' :: (b -> a -> b) -> b -> Seq a -> b
foldr1 :: (a -> a -> a) -> Seq a -> a
foldr1' :: (a -> a -> a) -> Seq a -> a
foldl1 :: (a -> a -> a) -> Seq a -> a
foldl1' :: (a -> a -> a) -> Seq a -> a
reducer :: (a -> a -> a) -> a -> Seq a -> a
reducer' :: (a -> a -> a) -> a -> Seq a -> a
reducel :: (a -> a -> a) -> a -> Seq a -> a
reducel' :: (a -> a -> a) -> a -> Seq a -> a
reduce1 :: (a -> a -> a) -> Seq a -> a
reduce1' :: (a -> a -> a) -> Seq a -> a
copy :: Int -> a -> Seq a
inBounds :: Int -> Seq a -> Bool
lookup :: Int -> Seq a -> a
lookupM :: Monad m => Int -> Seq a -> m a
lookupWithDefault :: a -> Int -> Seq a -> a
update :: Int -> a -> Seq a -> Seq a
adjust :: (a -> a) -> Int -> Seq a -> Seq a
mapWithIndex :: (Int -> a -> b) -> Seq a -> Seq b
foldrWithIndex :: (Int -> a -> b -> b) -> b -> Seq a -> b
foldrWithIndex' :: (Int -> a -> b -> b) -> b -> Seq a -> b
foldlWithIndex :: (b -> Int -> a -> b) -> b -> Seq a -> b
foldlWithIndex' :: (b -> Int -> a -> b) -> b -> Seq a -> b
take :: Int -> Seq a -> Seq a
drop :: Int -> Seq a -> Seq a
splitAt :: Int -> Seq a -> (Seq a, Seq a)
subseq :: Int -> Int -> Seq a -> Seq a
filter :: (a -> Bool) -> Seq a -> Seq a
partition :: (a -> Bool) -> Seq a -> (Seq a, Seq a)
takeWhile :: (a -> Bool) -> Seq a -> Seq a
dropWhile :: (a -> Bool) -> Seq a -> Seq a
splitWhile :: (a -> Bool) -> Seq a -> (Seq a, Seq a)
zip :: Seq a -> Seq b -> Seq (a, b)
zip3 :: Seq a -> Seq b -> Seq c -> Seq (a, b, c)
zipWith :: (a -> b -> c) -> Seq a -> Seq b -> Seq c
zipWith3 :: (a -> b -> c -> d) -> Seq a -> Seq b -> Seq c -> Seq d
unzip :: Seq (a, b) -> (Seq a, Seq b)
unzip3 :: Seq (a, b, c) -> (Seq a, Seq b, Seq c)
unzipWith :: (a -> b) -> (a -> c) -> Seq a -> (Seq b, Seq c)
unzipWith3 :: (a -> b) -> (a -> c) -> (a -> d) -> Seq a -> (Seq b, Seq c, Seq d)
strict :: Seq a -> Seq a
strictWith :: (a -> b) -> Seq a -> Seq a
Unit testing
structuralInvariant :: Seq a -> Bool
Documentation
moduleName :: String
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