util

func ByteSize(size int) string

func Copy[T any](src T) *T

func Deadline(ctx context.Context, fn func(exceeded <-chan struct{}) error) error

func Equals(first any, second any) bool

func ExponentialRetry(attempts int, initialDelay time.Duration, limitDelay time.Duration,
	retriables []error, fn func(attempt int) error) error

func GetEnv[T string | int | bool | []string | []int | []bool](key string, def T) T

func Merge[T any](dst *T, src T)

func Optional[T any](param []T, def T) T

func Pointer[T any](variable T) *T

func RandomString(length int) string

func Retry(attempts int, delay time.Duration, retriables []error, fn func(attempt int) error) error