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 |

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.

- 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

Monad Seq Source | |

Functor Seq Source | |

Applicative Seq Source | |

Sequence Seq Source | |

Alternative Seq Source | |

MonadPlus Seq Source | |

Eq a => Eq (Seq a) Source | |

Ord a => Ord (Seq a) Source | |

Read a => Read (Seq a) Source | |

Show a => Show (Seq a) Source | |

Arbitrary a => Arbitrary (Seq a) Source | |

CoArbitrary a => CoArbitrary (Seq a) Source | |

Monoid (Seq a) Source |

# Sequence operations

reverseOnto :: Seq a -> Seq a -> Seq a Source

lookupWithDefault :: a -> Int -> Seq a -> a Source

mapWithIndex :: (Int -> a -> b) -> Seq a -> Seq b Source

foldrWithIndex :: (Int -> a -> b -> b) -> b -> Seq a -> b Source

foldrWithIndex' :: (Int -> a -> b -> b) -> b -> Seq a -> b Source

foldlWithIndex :: (b -> Int -> a -> b) -> b -> Seq a -> b Source

foldlWithIndex' :: (b -> Int -> a -> b) -> b -> Seq a -> b Source

strictWith :: (a -> b) -> Seq a -> Seq a Source

# Unit testing

structuralInvariant :: Seq a -> Bool Source