Elixir Genserver callbacks and return values

gistfile1.txt

# GenServer callbacks and return values

## init(args)

    {:ok, state}
    {:ok, state, timeout}
    :ignore
    {:stop, reason}
    
## handle_call(msg, {from, ref}, state)

    {:reply, reply, state}
    {:reply, reply, state, timeout}
    {:reply, reply, state, :hibernate}
    {:noreply, state}
    {:noreply, state, timeout}
    {:noreply, state, :hibernate}
    {:stop, reason, reply, state}
    {:stop, reason, state}
    
## handle_cast(msg, state)

    {:noreply, state}
    {:noreply, state, timeout}
    {:noreply, state, :hibernate}
    {:stop, reason, state}

## handle_info(msg, state)

    {:noreply, state}
    {:noreply, state, timeout}
    {:stop, reason, state}
  
## terminate(reason, state)

    :ok
    
## code_change(old_vsn, state, extra)

  {:ok, new_state}
  {:error, reason}