util.set: Fix :include() and :exclude() methods to iterate the input set correctly

1 files changed, 2 insertions, 2 deletions

diff --git a/util/set.lua b/util/set.lua
index 7f45526e..b9e9ef21 100644
--- a/util/set.lua
+++ b/util/set.lua
@@ -91,13 +91,13 @@ function new(list)
 	end
 	
 	function set:include(otherset)
-		for item in pairs(otherset) do
+		for item in otherset do
 			items[item] = true;
 		end
 	end
 
 	function set:exclude(otherset)
-		for item in pairs(otherset) do
+		for item in otherset do
 			items[item] = nil;
 		end
 	end