Difference between revisions of "Module:No globals"
From The Crowdsourced Resource-Based Economy Knowledgebase
(rm name exception) |
m (1 revision) |
Latest revision as of 01:27, 15 February 2015
local mt = getmetatable(_G) or {} function mt.__index (t, k) if k ~= 'arg' then error('Tried to read nil global ' .. tostring(k), 2) end return nil end function mt.__newindex(t, k, v) if k ~= 'arg' then error('Tried to write global ' .. tostring(k), 2) end rawset(t, k, v) end setmetatable(_G, mt)