gen_server2 in Elixir application

[Santiago Fernandez]

Hi,

Is it possible to add gen_server2 [1] behaviour to a Elixir app? (`use GenServer2` instead `use GenServer`)

I'd like to prioritize incoming messages and set timeouts previous to process hibernation.

[1] https://github.com/muxspace/rabbit_common/blob/master/src/gen_server2.erl

Thanks!

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Santiago

[OvermindDL1]

Except in this case instead of `use` it would be `@behaviour gen_server2`, but yes you can.

[Peter Hamilton]

It's important to understand that `use GenServer` is not directly related to the behavior. It is a macro that calls GenServer.__using__ which happens to add @behaviour :gen_server to the current module as well as define default implementations for the callbacks.

For :gen_server2, you just have to do all that yourself. Otherwise it should work fine.

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