functools

func All(iter any, condition func(any) bool) (result bool, err error)

func Any(iter any, condition func(any) bool) (result bool, err error)

func CountBy(entry any, condition func(any) bool) (count int)

func Filter(handler, entry any) (output any, err error)

func Map(handler, entry any) (output any, err error)

func Maps(handler any, entries ...any) (output []any, err error)

func Reduce(handler, entry any) (output any, err error)