Elixir & Erlang's new process labels! 🔥
Notes
Erlang 27 just came out and added process labels. It’s a way to label a process in a non-unique way (unlike, say, registering our process with a name).
And Elixir 1.17 exposes a new Process.set_label/1 function to set those
labels.
Those labels will show up in observer and other debugging. You can even see them stored in the process dictionary!
iex> Process.set_label(:my_process_label)
iex> Process.info(pid, :dictionary)
# other stuff
{:"$process_label", :my_process_label},