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mm/Lua/lib/strict.lua

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local mt = getmetatable(_G)
if mt == nil then
mt = {}
setmetatable(_G, mt)
end
function mt.__newindex(t, n, v)
if n == '_TEMP_BIZHAWK_RULES_' then
rawset(t, n, v)
return
end
error("cannot assign undeclared global '" .. tostring(n) .. "'", 2)
end
function mt.__index(t, n)
if n == '_TEMP_BIZHAWK_RULES_' then
return
end
error("cannot use undeclared global '" .. tostring(n) .. "'", 2)
end