Refactor array to avoid having to include external types

codegen/array/snippets/array_get

@@ -2,4 +2,5 @@
     return NULL;
   }}
 
-  return &(array->items[index]);
+  u8 *ptr = (u8 *)(array->items) + (array->item_size * index);
+  return ({T} *)ptr;