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util.ip: Add is_ip() helper method to detect if an object is an ip object

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Matthew Wild 2023-03-14 18:23:33 +00:00
parent 9c8b2f5099
commit 3eedf79c8b
1 changed files with 5 additions and 0 deletions
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5
util/ip.lua
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@ -241,9 +241,14 @@ function match(ipA, ipB, bits)
return ipA.bits:sub(1, bits) == ipB.bits:sub(1, bits); return ipA.bits:sub(1, bits) == ipB.bits:sub(1, bits);
end end
local function is_ip(obj)
return getmetatable(obj) == ip_mt;
end
return { return {
new_ip = new_ip, new_ip = new_ip,
commonPrefixLength = commonPrefixLength, commonPrefixLength = commonPrefixLength,
parse_cidr = parse_cidr, parse_cidr = parse_cidr,
match = match, match = match,
is_ip = is_ip;
}; };