It's expected behavior.
Your for loop runs once for l=0, since your condition is <=0 because
len([]byte{}) is 0.
-- Marcin
On Fri, Dec 18, 2020 at 3:28 PM Jochen Voss <jochen.v...@gmail.com> wrote:
> Hello,
>
> I can print slices of bytes as hex strings, using code like the following:
>
> x := []byte{0, 1, 2, 3}
> fmt.Printf("%02x", x[:l])
>
> This gives the output "00010203" as expected. But this fails for the
> empty slice: running
>
> x := []byte{}
> fmt.Printf("%02x", x[:l])
>
> gives "00" instead of the empty string. See
> https://play.golang.org/p/rvLLqydDDE6 for a demonstration.
>
> Is this a bug, or is this expected behaviour?
>
> All the best,
> Jochen
>
>
> --
> You received this message because you are subscribed to the Google Groups
> "golang-nuts" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to golang-nuts+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/golang-nuts/bb8774f3-aa17-4044-8435-ed1cd162976cn%40googlegroups.com
> <https://groups.google.com/d/msgid/golang-nuts/bb8774f3-aa17-4044-8435-ed1cd162976cn%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
>
--
You received this message because you are subscribed to the Google Groups
"golang-nuts" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to golang-nuts+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/golang-nuts/CA%2Bv29LvnU42djCUwRWGokB4YmtCNgeVLzGU7jUJU_BjcAi9KLA%40mail.gmail.com.
