# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1678818213 0
# Node ID bbae3acc669432890000a5a40c759a3c557f860a
# Parent  a7b7cdec2b3137bea364004d93aa94d67a142938
util.ip: Add is_ip() helper method to detect if an object is an ip object

diff -r a7b7cdec2b31 -r bbae3acc6694 util/ip.lua
--- a/util/ip.lua	Sun Mar 12 13:05:50 2023 +0100
+++ b/util/ip.lua	Tue Mar 14 18:23:33 2023 +0000
@@ -241,9 +241,14 @@
 	return ipA.bits:sub(1, bits) == ipB.bits:sub(1, bits);
 end
 
+local function is_ip(obj)
+	return getmetatable(obj) == ip_mt;
+end
+
 return {
 	new_ip = new_ip,
 	commonPrefixLength = commonPrefixLength,
 	parse_cidr = parse_cidr,
 	match = match,
+	is_ip = is_ip;
 };