[erlang-questions] Binary pattern matching
Valentin Micic
v@REDACTED
Sat Oct 19 19:23:54 CEST 2019
Indeed, Peti, you are correct… Thanks for the reminder. In fact, this makes a perfect sense :-)
Kind regards
V/
> On 19 Oct 2019, at 19:00, Peti Gömöri <gomoripeti@REDACTED> wrote:
>
> hi Valentin,
>
> Maybe you remember the case when Offset was bound within the binary?
> <<Offset, _:Offset/binary, Value/binary>>
>
> On Sat, Oct 19, 2019 at 8:39 AM Valentin Micic <v@REDACTED <mailto:v@REDACTED>> wrote:
> My sincere apology if this has been discussed before…
> I vaguely remember that a number of years ago, one was able to write something like this:
>
> some_function( Offset, <<_:Offset/binary-unit:8, Value/binary>> ) -> …
>
> without (Erlang R21.1) compiler complaining with: variable Offset unbound
>
> Was I dreaming?
>
> Thanks in advance
>
> V/
>
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