From 3eedf79c8bd6555ebe601c67942af07aff3782a1 Mon Sep 17 00:00:00 2001
From: Matthew Wild <mwild1@gmail.com>
Date: Tue, 14 Mar 2023 18:23:33 +0000
Subject: util.ip: Add is_ip() helper method to detect if an object is an ip
 object

---
 util/ip.lua | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'util/ip.lua')

diff --git a/util/ip.lua b/util/ip.lua
index 4b450934..5e20febe 100644
--- a/util/ip.lua
+++ b/util/ip.lua
@@ -241,9 +241,14 @@ function match(ipA, ipB, bits)
 	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;
 };
-- 
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