Module:No globals: Difference between revisions
m (7 revisions imported from meta:Module:No_globals) |
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function mt.__index (t, k) | function mt.__index (t, k) | ||
if k ~= 'arg' then | if k ~= 'arg' then | ||
error('Tried to read nil global ' .. tostring(k), 2) | |||
error | |||
end | end | ||
return nil | return nil | ||
Line 9: | Line 8: | ||
function mt.__newindex(t, k, v) | function mt.__newindex(t, k, v) | ||
if k ~= 'arg' then | if k ~= 'arg' then | ||
error | error('Tried to write global ' .. tostring(k), 2) | ||
end | end | ||
rawset(t, k, v) | rawset(t, k, v) | ||
end | end | ||
setmetatable(_G, mt) | setmetatable(_G, mt) |
Latest revision as of 17:46, September 16, 2020
Documentation for this module may be created at Module:No globals/doc