gen_event with history buffer

[Alexander Petrovsky]

ср, 3 нояб. 2021 г. в 18:31, Roger Lipscombe <roger@REDACTED>:
>
> On Wed, 3 Nov 2021 at 13:57, Max Lapshin <max.lapshin@REDACTED> wrote:
> > As for me, I have almost no idea how to use gen_event in real life.
>
> I wrote a thing about that:
> https://blog.differentpla.net/blog/2014/11/07/erlang-sup-event/
>
> For the original question, I'd be tempted to implement history *as a
> handler*, added immediately after the gen_event starts, and then I'd
> have new handlers query it for what they'd missed.

lol, it was in my mind too, but in this case, the handlers have to
know about the handler with history and ask it directly. But seems
like it's not a problem...


-- 
Alexander Petrovsky