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prafulliu/setDefault.lua

Created December 18, 2012 07:19
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setDefault in lua.
Raw
setDefault.lua
function setDefault( t, d )
local mt = {__index = function () return d end}
setmetatable(t, mt)
end
tab = {x=10, y=20}
print(tab.x, tab.z)
setDefault(tab, 0)
print(tab.x, tab.z)
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