1 files changed, 1 insertions, 0 deletions
diff --git a/lib.h b/lib.h
index 817e8d87..0bc7013e 100644
--- a/lib.h
+++ b/lib.h
@@ -688,6 +688,7 @@ val lazy_flatcar(val tree);
 val tuples(val n, val seq, val fill);
 val tuples_star(val n, val seq, val fill);
 val partition_by(val func, val seq);
+val partition_if(val func, val seq, val count_in);
 val partition(val seq, val indices);
 val split(val seq, val indices);
 val partition_star(val seq, val indices);