Modul:No globals: Unterschied zwischen den Versionen
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/>Jackmcbarn ←Created page with 'local mt = getmetatable(_G) or {} local oldIndex = mt.__index or function() return nil end mt.__index = function(t, k) if k ~= 'name' and k ~= 'arg' then erro...' |
/>Jackmcbarn don't bother saving old __index or __newindex |
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| Zeile 1: | Zeile 1: | ||
local mt = getmetatable(_G) or {} | local mt = getmetatable(_G) or {} | ||
function mt.__index (t, k) | |||
mt.__index | |||
if k ~= 'name' and k ~= 'arg' then | if k ~= 'name' and k ~= 'arg' then | ||
error('Tried to read nil global ' .. tostring(k), 2) | error('Tried to read nil global ' .. tostring(k), 2) | ||
end | end | ||
return | return nil | ||
end | end | ||
function mt.__newindex(t, k, v) | function mt.__newindex(t, k, v) | ||
if k ~= 'name' and k ~= 'arg' then | if k ~= 'name' and k ~= 'arg' then | ||
error('Tried to write global ' .. tostring(k), 2) | error('Tried to write global ' .. tostring(k), 2) | ||
end | end | ||
rawset(t, k, v) | |||
end | end | ||
setmetatable(_G, mt) | setmetatable(_G, mt) | ||
Version vom 23. April 2014, 21:46 Uhr
Die Dokumentation für dieses Modul kann unter Modul:No globals/Doku erstellt werden
local mt = getmetatable(_G) or {}
function mt.__index (t, k)
if k ~= 'name' and k ~= 'arg' then
error('Tried to read nil global ' .. tostring(k), 2)
end
return nil
end
function mt.__newindex(t, k, v)
if k ~= 'name' and k ~= 'arg' then
error('Tried to write global ' .. tostring(k), 2)
end
rawset(t, k, v)
end
setmetatable(_G, mt)