diff options
| -rw-r--r-- | util/set.lua | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/util/set.lua b/util/set.lua index 892f1c9d..bb318adf 100644 --- a/util/set.lua +++ b/util/set.lua @@ -91,6 +91,10 @@ function new(list) end end + function set:empty() + return not next(items); + end + if list then set:add_list(list); end |