[erlang-questions] Specs for optional callbacks (try 2)

[Hans Bolinder]

Hi,

[Loïc Hoguin:]
> I didn't get any reply on my previous question almost 2 years ago here:
> http://erlang.org/pipermail/erlang-questions/2013-January/071763.html

I missed your original question, otherwise I would have replied to it.

There is an implementation in Erlang/OTP 18, see commit 683a293, using
the second syntax suggested by Kostis, -optional_callbacks/1.

Best regards,

Hans Bolinder, Erlang OTP/team, Ericsson