collections

func IsElementsEquals[T comparable](a, b []T) bool

func Map[T any, R any](values []T, fn func(i int, v T) R) (results []R)

func MapWithErr[T any, R any](values []T, fn func(i int, v T) (R, error)) (results []R, err error)

func Reduce[T any, R any](
	values []T,
	initial R,
	fn func(
		c R,
		i int,
		v T,
	) R,
) R

func ReduceWithErr[T any, R any](
	values []T,
	initial R,
	fn func(
		c R,
		i int,
		v T,
	) (R, error),
) (R, error)