Copyright	Copyright (c) 1998-1999, 2008 Chris Okasaki
License	MIT; see COPYRIGHT file for terms and conditions
Maintainer	robdockins AT fastmail DOT fm
Stability	stable
Portability	GHC, Hugs (MPTC and FD)
Safe Haskell	None
Language	Haskell2010

Data.Edison.Seq.BraunSeq

Contents

Sequence Type
Sequence Operations
Unit testing
Documentation

Description

One-sided Braun sequences. All running times are as listed in Data.Edison.Seq except the following:

lview, lcons, ltail* O( log n )
rcons, rview, rhead*, rtail*, size O( log^2 n )
copy, inBounds, lookup*, update, adjust O( log i )
append O( n1 log n2 )
concat O( n + m log m )
drop, splitAt O( i log n )
subseq O( i log n + len )
reverseOnto O( n1 log n2 )
concatMap, (>>=) O( n * t + m log m ), where n is the length of the input sequence m is the length of the output sequence and t is the running time of f

By keeping track of the size, we could get rcons, rview, rhead*, and rtail* down to O(log n) as well; furthermore, size would be O( 1 ).

References:

Rob Hoogerwoord. "A symmetric set of efficient list operations". Journal of Functional Programming, 2(4):505--513, 1992.
Rob Hoogerwoord. "A Logarithmic Implementation of Flexible Arrays". Mathematics of Program Construction (MPC'92), pages 191-207.
Chris Okasaki. "Three algorithms on Braun Trees". Journal of Function Programming 7(6):661-666. Novemebr 1997.

Synopsis

Sequence Type

data Seq a Source #

Instances

Monad Seq Source #
Methods (>>=) :: Seq a -> (a -> Seq b) -> Seq b # (>>) :: Seq a -> Seq b -> Seq b # return :: a -> Seq a # fail :: String -> Seq a #
Functor Seq Source #
Methods fmap :: (a -> b) -> Seq a -> Seq b # (<$) :: a -> Seq b -> Seq a #
Applicative Seq Source #
Methods pure :: a -> Seq a # (<>) :: Seq (a -> b) -> Seq a -> Seq b # (>) :: Seq a -> Seq b -> Seq b # (<*) :: Seq a -> Seq b -> Seq a #
Sequence Seq Source #
Methods lcons :: a -> Seq a -> Seq a # rcons :: a -> Seq a -> Seq a # fromList :: [a] -> Seq a # copy :: Int -> a -> Seq a # lview :: Monad m => Seq a -> m (a, Seq a) # lhead :: Seq a -> a # lheadM :: Monad m => Seq a -> m a # ltail :: Seq a -> Seq a # ltailM :: Monad m => Seq a -> m (Seq a) # rview :: Monad m => Seq a -> m (a, Seq a) # rhead :: Seq a -> a # rheadM :: Monad m => Seq a -> m a # rtail :: Seq a -> Seq a # rtailM :: Monad m => Seq a -> m (Seq a) # null :: Seq a -> Bool # size :: Seq a -> Int # toList :: Seq a -> [a] # concat :: Seq (Seq a) -> Seq a # reverse :: Seq a -> Seq a # reverseOnto :: Seq a -> Seq a -> Seq a # 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 # 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) # 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 # 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 # instanceName :: Seq a -> String #
Alternative Seq Source #
Methods empty :: Seq a # (<\|>) :: Seq a -> Seq a -> Seq a # some :: Seq a -> Seq [a] # many :: Seq a -> Seq [a] #
MonadPlus Seq Source #
Methods mzero :: Seq a # mplus :: Seq a -> Seq a -> Seq a #
Eq a => Eq (Seq a) Source #
Methods (==) :: Seq a -> Seq a -> Bool # (/=) :: Seq a -> Seq a -> Bool #
Ord a => Ord (Seq a) Source #
Methods compare :: Seq a -> Seq a -> Ordering # (<) :: Seq a -> Seq a -> Bool # (<=) :: Seq a -> Seq a -> Bool # (>) :: Seq a -> Seq a -> Bool # (>=) :: Seq a -> Seq a -> Bool # max :: Seq a -> Seq a -> Seq a # min :: Seq a -> Seq a -> Seq a #
Read a => Read (Seq a) Source #
Methods readsPrec :: Int -> ReadS (Seq a) # readList :: ReadS [Seq a] # readPrec :: ReadPrec (Seq a) # readListPrec :: ReadPrec [Seq a] #
Show a => Show (Seq a) Source #
Methods showsPrec :: Int -> Seq a -> ShowS # show :: Seq a -> String # showList :: [Seq a] -> ShowS #
Monoid (Seq a) Source #
Methods mempty :: Seq a # mappend :: Seq a -> Seq a -> Seq a # mconcat :: [Seq a] -> Seq a #
Arbitrary a => Arbitrary (Seq a) Source #
Methods arbitrary :: Gen (Seq a) # shrink :: Seq a -> [Seq a] #
CoArbitrary a => CoArbitrary (Seq a) Source #
Methods coarbitrary :: Seq a -> Gen b -> Gen b #