mix format

Author: edgurgel

lib/mimic/cover.ex

@@ -20,7 +20,7 @@ defmodule Mimic.Cover do
       {_, binary, _} = :code.get_object_code(:cover)
       {:ok, {_, [{_, {_, abstract_code}}]}} = :beam_lib.chunks(binary, [:abstract_code])
       {:ok, module, binary} = :compile.forms(abstract_code, [:export_all])
-      {:module, :cover} = :code.load_binary(module, '', binary)
+      {:module, :cover} = :code.load_binary(module, ~c"", binary)
     end
 
     :ok

lib/mimic/module.ex

@@ -82,7 +82,7 @@ defmodule Mimic.Module do
   end
 
   defp load_binary(module, binary, enable_cover?) do
-    case :code.load_binary(module, '', binary) do
+    case :code.load_binary(module, ~c"", binary) do
       {:module, ^module} -> :ok
       {:error, reason} -> exit({:error_loading_module, module, reason})
     end