Modul:No globals
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This module causes an error if any nil global is read or if any global is written to, with the exception of arg. To use, add
| Pogreška pri izradbi sličice: | This module is subject to page protection. It is a highly visible module in use by a very large number of pages, or is substituted very frequently. Because vandalism or mistakes would affect many pages, and even trivial editing might cause substantial load on the servers, it is protected from editing. |
require('Module:No globals') to the top of the module using it. The arg variable is excluded because it is necessary for Scribunto's require function to work properly. (See the Scribunto source code here.)
local mt = getmetatable(_G) or {}
function mt.__index (t, k)
if k ~= 'arg' then
error('Pokušao sam čitati nil globalne ' .. tostring(k), 2)
end
return nil
end
function mt.__newindex(t, k, v)
if k ~= 'arg' then
error('Pokušao sam upisati u globalnu ' .. tostring(k), 2)
end
rawset(t, k, v)
end
setmetatable(_G, mt)