1 files changed, 1 insertions, 0 deletions
diff --git a/lib.h b/lib.h
index 5742231f..b9fa99e5 100644
--- a/lib.h
+++ b/lib.h
@@ -497,6 +497,7 @@ val ldiff(val list1, val list2);
 val flatten(val list);
 val lazy_flatten(val list);
 val flatcar(val list);
+val lazy_flatcar(val tree);
 val tuples(val n, val seq, val fill);
 val partition_by(val func, val seq);
 val partition(val seq, val indices);