1 files changed, 1 insertions, 0 deletions
diff --git a/lib.h b/lib.h
index e6c72b1e..ed500b40 100644
--- a/lib.h
+++ b/lib.h
@@ -631,6 +631,7 @@ val mappend(val fun, val list);
 val merge(val list1, val list2, val lessfun, val keyfun);
 val sort(val seq, val lessfun, val keyfun);
 val find(val list, val key, val testfun, val keyfun);
+val find_if(val pred, val list, val key);
 val set_diff(val list1, val list2, val testfun, val keyfun);
 val length(val seq);
 val sub(val seq, val from, val to);