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

[Jesse Gumm]

I would really like to see this as well. I think it's a solid idea.

+1 from me.

-Jesse

--
Jesse Gumm
Owner, Sigma Star Systems
414.940.4866 || sigma-star.com || @jessegumm
On Sep 24, 2014 11:52 AM, "Loïc Hoguin" <essen@REDACTED> wrote:

> Hi,
>
> 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
>
> So let me ask again, is there any plans for adding something like
> -optional_callback that would do the same as -callback except it would not
> require the callback to be defined? Basically Dialyzer would use it, and
> the compiler wouldn't fail if the callback is missing.
>
> As it stands now I am about to remove most -behavior in Cowboy because
> they're starting to make little sense because most callbacks become
> optional. The simplest handler type will have 3 possible callbacks, 2 being
> optional. The most complex handler type already has 20+ callbacks with only
> 1 required.
>
> Thanks for any reply.
>
> --
> Loïc Hoguin
> http://ninenines.eu
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