Control.Foldl

Fold Types

data Fold a b

data FoldM m a b

Folding

fold

foldM

scan

Folds

mconcat

foldMap

head

last

null

length

and

or

all

any

sum

product

maximum

minimum

elem

notElem

find

index

elemIndex

findIndex

Generic Folds

genericLength

genericIndex

Container folds

list

vector

Utilities

purely

impurely

generalize

simplify

premap

premapM

Re-exports