10,178
edits
Changes
m
local oldIndex = mt.__index or function() return nil endmt.__index = function(t, k) if k ~= 'name' and k ~= 'arg' then
local oldNewindex = mt.__newindex or rawset
oldNewindexrawset(t, k, v)
1 revision imported
local mt = getmetatable(_G) or {}
error('Tried to read nil global ' .. tostring(k), 2)
end
return oldIndex(t, k)nil
end
function mt.__newindex(t, k, v)
if k ~= 'name' and k ~= 'arg' then
error('Tried to write global ' .. tostring(k), 2)
end
end
setmetatable(_G, mt)