use redis function(Version 7 and above is required

)

bloom/bloom.lua

@@ -0,0 +1,20 @@
+#!lua name=charlie_bloom
+
+
+local function set_bit(keys, args) 
+    for _, offset in ipairs(args) do
+        redis.call("setbit", keys[1], offset, 1)
+    end
+end
+
+local function test_bit(keys, args)
+    for _, offset in ipairs(args) do
+		if tonumber(redis.call("getbit", keys[1], offset)) == 0 then
+			return false
+		end
+	end
+	return true
+end
+
+redis.register_function('set_bit',set_bit)
+redis.register_function('test_bit',test_bit)