Do not use anonymous function as a callback

Author: martosaur

lib/logger/lib/logger/utils.ex

@@ -47,11 +47,21 @@ defmodule Logger.Utils do
     end
   end
 
+  def translated_cb(report) do
+    {~c"~ts", [report[:elixir_translation]]}
+  end
+
   defp return_translated_event(event, translated, meta \\ [])
 
-  defp return_translated_event(%{msg: {:report, _}} = event, translated, meta) do
+  defp return_translated_event(%{msg: {:report, report}} = event, translated, meta) do
+    report = Enum.into([elixir_translation: translated], report)
     meta = Enum.into(meta, event.meta)
-    %{event | meta: Enum.into([report_cb: fn _, _ -> translated end], meta)}
+
+    %{
+      event
+      | msg: {:report, report},
+        meta: Enum.into([report_cb: &__MODULE__.translated_cb/1], meta)
+    }
   end
 
   defp return_translated_event(event, translated, meta) do