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Module:IP: Difference between revisions
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prevent access to IPAddress metatables, and add some more comments
(prevent altering of isSubnetObject by using __metatable with a unique key) |
(prevent access to IPAddress metatables, and add some more comments) |
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Line 471:
end
end,
__metatable = false, -- Don't allow access to the metatable
})
end
Line 496 ⟶ 497:
do
-- uniqueKey is a unique, private key used to test whether a given object
-- is a Subnet object.
local uniqueKey = {}
Line 511 ⟶ 514:
-- Private static methods
local function isSubnetObject(val)
-- Return true if val is a Subnet object, and false otherwise.
return getmetatable(val) == uniqueKey
end
-- Function to validate subnet objects.
-- Params:
-- methodName (string) - the name of the method being validated
-- argIdx (number) - the position of the argument in the argument list
-- arg - the argument to be validated
validateSubnet = makeValidationFunc('Subnet', isSubnetObject)
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