Data.HashMap.Strict
data HashMap k v
empty
singleton
null
size
member
lookup
lookupDefault
(!)
insert
insertWith
delete
adjust
update
alter
union
unionWith
unionWithKey
unions
map
mapWithKey
traverseWithKey
difference
intersection
intersectionWith
intersectionWithKey
foldl'
foldlWithKey'
foldr
foldrWithKey
filter
filterWithKey
mapMaybe
mapMaybeWithKey
keys
elems
toList
fromList
fromListWith