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Add explanation for exit reason to GenServer #11639

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Merged
merged 2 commits into from
Feb 17, 2022
Merged

Add explanation for exit reason to GenServer #11639

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83d9a57
add explanation for exit reason to gen_server
oskarkook Feb 17, 2022
fdebb71
Update lib/elixir/lib/gen_server.ex
josevalim Feb 17, 2022
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5 changes: 5 additions & 0 deletions lib/elixir/lib/gen_server.ex
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Expand Up @@ -153,6 +153,11 @@ defmodule GenServer do
detailed information. The `@doc` annotation immediately preceding
`use GenServer` will be attached to the generated `child_spec/1` function.

When stopping the GenServer, for example by returing a `{:stop, reason, new_state}`
tuple from a callback, the exit reason is used by the supervisor to determine
whether the GenServer needs to be restarted. See the "Exit reasons and restarts"
section in the `Supervisor` module.

## Name registration

Both `start_link/3` and `start/3` support the `GenServer` to register
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