Module:No globals: Difference between revisions
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m 2 revisions imported from w:Module:No_globals: blame User:Barkeep49 |
m Changed protection settings for "Module:No globals" ([Edit=Allow only bureaucrats] (indefinite) [Move=Allow only stewards] (indefinite) [Delete=Allow only stewards] (indefinite) [Protect=Allow only stewards] (indefinite)) |
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(3 intermediate revisions by 3 users not shown) | |||
Line 2: | Line 2: | ||
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 14:38, 17 March 2024
Documentation for this module may be created at Module:No globals/doc