Copyright | (c) Antony Courtney and Henrik Nilsson Yale University 2003 |
---|---|
License | BSD-style (see the LICENSE file in the distribution) |
Maintainer | nilsson@cs.yale.edu |
Stability | provisional |
Portability | portable |
Safe Haskell | Safe |
Language | Haskell98 |
Collection of entities that really should be part of Haskell base, other packages, or simply have no better home.
Synopsis
- (#) :: (a -> b) -> (b -> c) -> a -> c
- dup :: a -> (a, a)
- mapFst :: (a -> b) -> [(a, c)] -> [(b, c)]
- mapSnd :: (a -> b) -> [(c, a)] -> [(c, b)]
- sel3_1 :: (a, b, c) -> a
- sel3_2 :: (a, b, c) -> b
- sel3_3 :: (a, b, c) -> c
- sel4_1 :: (a, b, c, d) -> a
- sel4_2 :: (a, b, c, d) -> b
- sel4_3 :: (a, b, c, d) -> c
- sel4_4 :: (a, b, c, d) -> d
- sel5_1 :: (a, b, c, d, e) -> a
- sel5_2 :: (a, b, c, d, e) -> b
- sel5_3 :: (a, b, c, d, e) -> c
- sel5_4 :: (a, b, c, d, e) -> d
- sel5_5 :: (a, b, c, d, e) -> e
- fDiv :: RealFrac a => a -> a -> Integer
- fMod :: RealFrac a => a -> a -> a
- fDivMod :: RealFrac a => a -> a -> (Integer, a)
- arr2 :: Arrow a => (b -> c -> d) -> a (b, c) d
- arr3 :: Arrow a => (b -> c -> d -> e) -> a (b, c, d) e
- arr4 :: Arrow a => (b -> c -> d -> e -> f) -> a (b, c, d, e) f
- arr5 :: Arrow a => (b -> c -> d -> e -> f -> g) -> a (b, c, d, e, f) g
- lift0 :: Arrow a => c -> a b c
- lift1 :: Arrow a => (c -> d) -> a b c -> a b d
- lift2 :: Arrow a => (c -> d -> e) -> a b c -> a b d -> a b e
- lift3 :: Arrow a => (c -> d -> e -> f) -> a b c -> a b d -> a b e -> a b f
- lift4 :: Arrow a => (c -> d -> e -> f -> g) -> a b c -> a b d -> a b e -> a b f -> a b g
- lift5 :: Arrow a => (c -> d -> e -> f -> g -> h) -> a b c -> a b d -> a b e -> a b f -> a b g -> a b h
Reverse function composition
(#) :: (a -> b) -> (b -> c) -> a -> c infixl 9 Source #
Deprecated: Use Control.Arrow.(>>>) and Control.Arrow.(<<<).
Reverse function composition
Arrow plumbing aids
Maps over lists of pairs
mapFst :: (a -> b) -> [(a, c)] -> [(b, c)] Source #
Deprecated: mapFst is not used by Yampa and will be removed from the next release
Map a function over the first component of pairs in a list.
mapSnd :: (a -> b) -> [(c, a)] -> [(c, b)] Source #
Deprecated: mapSnd is not used by Yampa and will be removed from the next release
Map a function over the second component of pairs in a list.
Generalized tuple selectors
sel3_1 :: (a, b, c) -> a Source #
Deprecated: Use the tuple package instead.
Select the first component of a triple.
sel3_2 :: (a, b, c) -> b Source #
Deprecated: Use the tuple package instead.
Select the second component of a triple.
sel3_3 :: (a, b, c) -> c Source #
Deprecated: Use the tuple package instead.
Select the third component of a triple.
sel4_1 :: (a, b, c, d) -> a Source #
Deprecated: Use the tuple package instead.
Select the first component of a 4-element tuple.
sel4_2 :: (a, b, c, d) -> b Source #
Deprecated: Use the tuple package instead.
Select the second component of a 4-element tuple.
sel4_3 :: (a, b, c, d) -> c Source #
Deprecated: Use the tuple package instead.
Select the third component of a 4-element tuple.
sel4_4 :: (a, b, c, d) -> d Source #
Deprecated: Use the tuple package instead.
Select the fourth component of a 4-element tuple.
sel5_1 :: (a, b, c, d, e) -> a Source #
Deprecated: Use the tuple package instead.
Select the first component of a 5-element tuple.
sel5_2 :: (a, b, c, d, e) -> b Source #
Deprecated: Use the tuple package instead.
Select the second component of a 5-element tuple.
sel5_3 :: (a, b, c, d, e) -> c Source #
Deprecated: Use the tuple package instead.
Select the third component of a 5-element tuple.
sel5_4 :: (a, b, c, d, e) -> d Source #
Deprecated: Use the tuple package instead.
Select the fourth component of a 5-element tuple.
sel5_5 :: (a, b, c, d, e) -> e Source #
Deprecated: Use the tuple package instead.
Select the fifth component of a 5-element tuple.
Floating point utilities
fDiv :: RealFrac a => a -> a -> Integer infixl 7 Source #
Deprecated: These are not used by Yampa and will be removed.
Floating-point integer division.
fMod :: RealFrac a => a -> a -> a infixl 7 Source #
Deprecated: These are not used by Yampa and will be removed.
Floating-point modulo.
fDivMod :: RealFrac a => a -> a -> (Integer, a) Source #
Deprecated: These are not used by Yampa and will be removed.
Floating-point integer division and modulo.
Liftings
arr4 :: Arrow a => (b -> c -> d -> e -> f) -> a (b, c, d, e) f Source #
Lift a 4-ary function onto an arrow
arr5 :: Arrow a => (b -> c -> d -> e -> f -> g) -> a (b, c, d, e, f) g Source #
Lift a 5-ary function onto an arrow
lift0 :: Arrow a => c -> a b c Source #
Lift an 0-ary function onto an arrow
If there was an arr0
function, this would be a synonym.
lift1 :: Arrow a => (c -> d) -> a b c -> a b d Source #
Lift a function into a function between arrows.
lift2 :: Arrow a => (c -> d -> e) -> a b c -> a b d -> a b e Source #
Lift a binary function into a function between arrows.
lift3 :: Arrow a => (c -> d -> e -> f) -> a b c -> a b d -> a b e -> a b f Source #
Lift a 3-ary function into a function between arrows.