1 files changed, 1 insertions, 0 deletions
diff --git a/lib.h b/lib.h
index 212a03a0..7fc5c7c4 100644
--- a/lib.h
+++ b/lib.h
@@ -864,6 +864,7 @@ val countql(val obj, val list);
 val countq(val obj, val list);
 val count_if(val pred, val list, val key);
 val count(val item, val seq, val testfun_in, val keyfun_in);
+val cons_count(val item, val tree, val testfun_in);
 val some_satisfy(val list, val pred, val key);
 val all_satisfy(val list, val pred, val key);
 val none_satisfy(val list, val pred, val key);