1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
module Map (
Map,
member, lookup, findWithDefault,
empty,
insert, insertWith,
union, unionWith, unions,
elems,
fromList, fromListWith,
toAscList
) where
import Prelude hiding ( lookup )
#if __GLASGOW_HASKELL__ < 503
import FiniteMap
#elif __GLASGOW_HASKELL__ < 603
import Data.FiniteMap
#else
import Data.Map
#endif
#if __GLASGOW_HASKELL__ < 603
type Map k a = FiniteMap k a
member :: Ord k => k -> Map k a -> Bool
member = elemFM
lookup :: Ord k => k -> Map k a -> Maybe a
lookup = flip lookupFM
findWithDefault :: Ord k => a -> k -> Map k a -> a
findWithDefault a k m = lookupWithDefaultFM m a k
empty :: Map k a
empty = emptyFM
insert :: Ord k => k -> a -> Map k a -> Map k a
insert k a m = addToFM m k a
insertWith :: Ord k => (a -> a -> a) -> k -> a -> Map k a -> Map k a
insertWith c k a m = addToFM_C c m k a
union :: Ord k => Map k a -> Map k a -> Map k a
union = flip plusFM
unionWith :: Ord k => (a -> a -> a) -> Map k a -> Map k a -> Map k a
unionWith c l r = plusFM_C c r l
unions :: Ord k => [Map k a] -> Map k a
unions = foldr plusFM emptyFM
elems :: Map k a -> [a]
elems = eltsFM
fromList :: Ord k => [(k,a)] -> Map k a
fromList = listToFM
fromListWith :: Ord k => (a -> a -> a) -> [(k,a)] -> Map k a
fromListWith = flip addListToFM_C emptyFM
toAscList :: Map k a -> [(k,a)]
toAscList = fmToList
#endif
|
