Module:Arguments/sandbox: Difference between revisions

Revision as of 23:39, 13 April 2014

Revision as of 23:42, 13 April 2014

Line 157:

metatable.__index = function (t, key)

local val = metaArgs[key]

if metatable.donePairs or val ~= nil then

if val == nilArg then

return nil

Line 167:

local argTableVal = tidyVal(key, argTable[key])

if argTableVal == nil then

metaArgs[key] = nilArg

if not metatable.donePairs then

--[[

-- Memoize nils, but not if pairs has been used on the args

-- table. The pairs check is to avoid the possibility of

-- adding new entries to the table during the pairs

-- iteration, as this produces undefined behaviour in the

-- next() function.

--]]

metaArgs[key] = nilArg

end

else

metaArgs[key] = argTableVal