Control.Lens.Fold
type Fold a c
folding
folded
unfolded
iterated
filtered
backwards
repeated
replicated
cycled
takingWhile
droppingWhile
foldMapOf
foldOf
foldrOf
foldlOf
toListOf
anyOf
allOf
andOf
orOf
productOf
sumOf
traverseOf_
forOf_
sequenceAOf_
mapMOf_
forMOf_
sequenceOf_
asumOf
msumOf
concatMapOf
concatOf
elemOf
notElemOf
lengthOf
nullOf
headOf
lastOf
maximumOf
minimumOf
maximumByOf
minimumByOf
findOf
foldrOf'
foldlOf'
foldr1Of
foldl1Of
foldrMOf
foldlMOf