ezfio_array_of_list now return an ezfio_array

src/ezfio.ml

@@ -273,7 +273,10 @@ let ezfio_array_of_list ~rank ~dim ~data =
       (Ezfio_data data,rest) 
   in    
   let (result,_) = read_nd data rank in
-  result
+  { rank= rank;
+    dim=  dim;
+    data=result;
+  }
 ;;