Good morning, I’m using the :gen_statem erlang behaviour for modeling a process and the compiler is throwing me some warnings about bad implementations behaviours This is the module definition defmodule Collector.Plubio do @behaviour :gen_statem I am doing the calls like that @spec state?()…

The error is about… [image] SirWerto: @impl true … maybe remove this?

To add to @kokolegorille ’s reply, :gen_statem only has a handful of static callbacks. The other callbacks are dynamic, based on your code, and those do not get a @impl true.

yes, this fix the warning, thank you:). But, what does the compiler expect about a :gen_statem.state_name/3 callback? Shouldn’t we mention that callback?

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Warning on :gen_statem behaviours

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SirWerto July 18, 2021, 10:59am 5

thanks for the explanation.