slice

func All[T any](slice []T, fn func(T) bool) bool

func Any[T any](slice []T, fn func(T) bool) bool

func Chars(str string) iter.Seq[rune]

func Filter[T any](slice []T, f func(T) bool) []T

func Map[T any, U any](slice []T, f func(T) U) []U

func Reduce[T any, U any](slice []T, f func(U, T) U, acc U) U

func Ref[T any](slice []T) []*T