Changes
add a more detailed comment about metatable behaviour
end
--[[ -- Define metatable behaviour.Arguments are stored in the metaArgs table, and are only fetched from the -- fargs and pargs tables once. Also, we keep a record in the metatable of when pairs and ipairs have -- been called, so we do not run pairs and ipairs on fargs and pargs more than once. We also do not run -- ipairs on fargs and pargs if pairs has already been run, as all the arguments will already have been -- copied over. --]]
metatable.__index = function (t, key)
local val = metaArgs[key]