1 files changed, 5 insertions, 0 deletions
diff --git a/oidset.h b/oidset.h
index 5346563..80c3a34 100644
--- a/oidset.h
+++ b/oidset.h
@@ -56,6 +56,11 @@ int oidset_insert(struct oidset *set, const struct object_id *oid);
 int oidset_remove(struct oidset *set, const struct object_id *oid);
 
 /**
+ * Returns the number of oids in the set.
+ */
+int oidset_size(struct oidset *set);
+
+/**
  * Remove all entries from the oidset, freeing any resources associated with
  * it.
  */