refactor(types): bind intentionally discarded side-effecting results

lib/mv/vereinfacht/sync_flash.ex

@@ -37,9 +37,10 @@ defmodule Mv.Vereinfacht.SyncFlash do
   def create_table! do
     # :public so any process can write (SyncContact runs in LiveView/Ash transaction process,
     # not the process that created the table). :protected would restrict writes to the creating process.
-    if :ets.whereis(@table) == :undefined do
-      :ets.new(@table, [:set, :public, :named_table])
-    end
+    _ =
+      if :ets.whereis(@table) == :undefined do
+        :ets.new(@table, [:set, :public, :named_table])
+      end
 
     :ok
   end