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-rw-r--r--util/set.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/util/set.lua b/util/set.lua
index b9e9ef21..fa065a9c 100644
--- a/util/set.lua
+++ b/util/set.lua
@@ -23,7 +23,7 @@ function set_mt.__sub(set1, set2)
return _M.difference(set1, set2);
end
function set_mt.__div(set, func)
- local new_set, new_items = _M.new();
+ local new_set = _M.new();
local items, new_items = set._items, new_set._items;
for item in pairs(items) do
local new_item = func(item);