Merge pull request #1 from SkipMike/SkipMike-patch-1

Make struct check more robust
SkipMike · Oct 5, 2018 · 5fd57dc · 5fd57dc
2 parents 0d93ac9 + 92ac9c3
commit 5fd57dc
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/lib/maptu.ex b/lib/maptu.ex
@@ -286,10 +286,9 @@ defmodule Maptu do
   end
 
   defp ensure_struct(mod) when is_atom(mod) do
-    if function_exported?(mod, :__struct__, 0) do
-      :ok
-    else
-      {:error, {:non_struct, mod}}
+    case mod.module_info(:functions)[:struct] do
+      0 -> :ok
+      nil -> {:error, {:non_struct, mod}}
     end
   end