1 files changed, 6 insertions, 0 deletions
diff --git a/lib.h b/lib.h
index f039568f..708b6724 100644
--- a/lib.h
+++ b/lib.h
@@ -337,6 +337,12 @@ union obj {
   struct dyn_args a;
 };
 
+struct list_accum {
+  obj_t *head;
+  obj_t *tail;
+  obj_t *dot;
+};
+
 #if CONFIG_GEN_GC
 typedef struct {
   val *ptr;