Fold.Nonempty.Examples

General

magma :: (a -> a -> a) -> NonemptyFold a a

Start with the first input, append each new input on the right with the given function

semigroup :: Semigroup a => NonemptyFold a a

Append each new input on the right with (<>)

Endpoints

first :: NonemptyFold a a

The first input

last :: NonemptyFold a a

The last input

Extrema

maximum :: Ord a => NonemptyFold a a

The greatest input

minimum :: Ord a => NonemptyFold a a

The least input

maximumBy :: (a -> a -> Ordering) -> NonemptyFold a a

The greatest input with respect to the given comparison function

minimumBy :: (a -> a -> Ordering) -> NonemptyFold a a

The least input with respect to the given comparison function

List

list :: NonemptyFold a (NonEmpty a)

All the inputs

reverseList :: NonemptyFold a (NonEmpty a)

All the inputs in reverse order