hashmap,set: add new accessors that cannot fail on OOM

1 files changed, 3 insertions, 0 deletions

diff --git a/set.h b/set.h
index b0f2242c88..dd2e91dd11 100644
--- a/set.h
+++ b/set.h
@@ -41,8 +41,11 @@ int set_put(Set *s, void *value);
 int set_replace(Set *s, void *value);
 void *set_get(Set *s, void *value);
 void *set_remove(Set *s, void *value);
+int set_remove_and_put(Set *s, void *old_value, void *new_value);
 
 int set_merge(Set *s, Set *other);
+void set_move(Set *s, Set *other);
+int set_move_one(Set *s, Set *other, void *value);
 
 unsigned set_size(Set *s);
 bool set_isempty(Set *s);