1 files changed, 1 insertions, 0 deletions
diff --git a/tree.h b/tree.h
index d1b726c2..0ee9cb0a 100644
--- a/tree.h
+++ b/tree.h
@@ -48,5 +48,6 @@ val tree_begin_at(val tree, val lowkey);
 val tree_reset(val iter, val tree);
 val tree_reset_at(val iter, val tree, val lowkey);
 val tree_next(val iter);
+val tree_peek(val iter);
 val tree_clear(val tree);
 void tree_init(void);