From f5967d9f35eaaeb8ac797f91c03d98b54841516c Mon Sep 17 00:00:00 2001
From: rebecca <ubq323@ubq323.website>
Date: Sat, 26 Sep 2026 21:47:15 +0100
Subject: delete Set because it is bad and replace it with table.keydiff which
 will be good and not bad

---
 set.lua   | 20 --------------------
 table.lua | 10 ++++++++++
 2 files changed, 10 insertions(+), 20 deletions(-)
 delete mode 100644 set.lua
 create mode 100644 table.lua

diff --git a/set.lua b/set.lua
deleted file mode 100644
index ae79ff1..0000000
--- a/set.lua
+++ /dev/null
@@ -1,20 +0,0 @@
-local class = require'r.class'
-local Set = class()
-function Set.make(cls, items) return setmetatable({_=items or {}},cls) end
-function Set.has(self, item) return self._[item] end
-function Set.add(self, item) self._[item] = true end
-function Set.del(self, item) self._[item] = nil end
-function Set.each(self) return pairs(self._) end
-function Set.one(self) return next(self._) end
-function Set.__len(self) local i = 0 for k in self:each() do i=i+1 end return i end
-function Set.copy(self) local o={} for k in self:each() do o[k]=true end return Set(o) end
-function Set.union(self,other) local o=self:copy() if other == nil then return o end
-	for k in other:each() do o:add(k) end return o end
-function Set.insect(self,other) local o=self:copy() if other == nil then return o end
-	for k in o:each() do if not other:has(k) then o:del(k) end end return o end
-function Set.diff(self,other) local o,p = self:copy(), other:copy()
-	for k in self:each() do p:del(k) end
-	for k in other:each() do o:del(k) end
-	return o,p end
-return Set
-
diff --git a/table.lua b/table.lua
new file mode 100644
index 0000000..3f7f322
--- /dev/null
+++ b/table.lua
@@ -0,0 +1,10 @@
+local function keydiff(a, b)
+	local da,db = {}, {}
+	for k in pairs(a) do if b[k] == nil then da[k] = true end
+	for k in pairs(b) do if a[k] == nil then db[k] = true end
+	return da, db
+end
+
+return {
+	keydiff = keydiff,
+}
-- 
cgit v1.2.3