Bag
data
Bag
a
emptyBag
unitBag
unionBags
unionManyBags
mapBag
elemBag
lengthBag
filterBag
partitionBag
concatBag
foldBag
foldrBag
foldlBag
isEmptyBag
isSingletonBag
consBag
snocBag
anyBag
listToBag
bagToList
mapBagM
mapAndUnzipBagM